307 Area CodeCheyenne, WY
Area code 307 covers Cheyenne and 202 other cities in Wyoming: 576,851 people in 23 counties, led by Laramie and Natrona, on Mountain Time (MT).
Overview
- Major City
- Cheyenne
- State
- Wyoming (WY)
- Timezone
- Mountain Time (MT)
- Current Time
- –:––
- Overlay
- No – unique area code
Where is area code 307?
Overview of the 307 Area Code
Geographic Coverage of the 307 Area Code
All 203 cities- 65,704
- 58,823
- 33,846
- 32,957
- 22,967
- 19,813
What cities does area code 307 cover?
| City | State | Population | Population in 307 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Cheyenne | WY | 65,704 | 65,704 | 14.4% | 100.0% |
| Casper | WY | 58,823 | 58,823 | 12.9% | 100.0% |
| Gillette | WY | 33,846 | 33,846 | 7.4% | 100.0% |
| Laramie | WY | 32,957 | 32,957 | 7.2% | 100.0% |
| Rock Springs | WY | 22,967 | 22,967 | 5.0% | 100.0% |
| Sheridan | WY | 19,813 | 19,813 | 4.3% | 100.0% |
| Evanston | WY | 11,691 | 11,691 | 2.6% | 100.0% |
| Green River | WY | 11,474 | 11,474 | 2.5% | 100.0% |
| Riverton | WY | 10,953 | 10,953 | 2.4% | 100.0% |
| Jackson | WY | 10,680 | 10,680 | 2.3% | 100.0% |
| Cody | WY | 10,391 | 10,391 | 2.3% | 100.0% |
| Rawlins | WY | 7,952 | 7,952 | 1.7% | 100.0% |
| Lander | WY | 7,451 | 7,451 | 1.6% | 100.0% |
| Powell | WY | 6,551 | 6,551 | 1.4% | 100.0% |
| Douglas | WY | 6,442 | 6,442 | 1.4% | 100.0% |
| Torrington | WY | 6,211 | 6,211 | 1.4% | 100.0% |
| Ranchettes | WY | 5,798 | 5,798 | 1.3% | 100.0% |
| Worland | WY | 4,765 | 4,765 | 1.0% | 100.0% |
| Buffalo | WY | 4,655 | 4,655 | 1.0% | 100.0% |
| Mills | WY | 4,584 | 4,584 | 1.0% | 100.0% |
| South Greeley | WY | 4,217 | 4,217 | 0.9% | 100.0% |
| Fox Farm-College | WY | 3,647 | 3,647 | 0.8% | 100.0% |
| Wheatland | WY | 3,475 | 3,475 | 0.8% | 100.0% |
| Newcastle | WY | 3,354 | 3,354 | 0.7% | 100.0% |
| Warren AFB | WY | 3,072 | 3,072 | 0.7% | 100.0% |
| Bar Nunn | WY | 3,019 | 3,019 | 0.7% | 100.0% |
| Evansville | WY | 2,837 | 2,837 | 0.6% | 100.0% |
| Thermopolis | WY | 2,748 | 2,748 | 0.6% | 100.0% |
| Glenrock | WY | 2,412 | 2,412 | 0.5% | 100.0% |
| Kemmerer | WY | 2,378 | 2,378 | 0.5% | 100.0% |
| Lovell | WY | 2,366 | 2,366 | 0.5% | 100.0% |
| Afton | WY | 2,280 | 2,280 | 0.5% | 100.0% |
| North Rock Springs | WY | 2,207 | 2,207 | 0.5% | 100.0% |
| Lyman | WY | 2,191 | 2,191 | 0.5% | 100.0% |
| Star Valley Ranch | WY | 2,041 | 2,041 | 0.5% | 100.0% |
| Pinedale | WY | 2,005 | 2,005 | 0.4% | 100.0% |
| Moose Wilson Road | WY | 1,821 | 1,821 | 0.4% | 100.0% |
| Saratoga | WY | 1,760 | 1,760 | 0.4% | 100.0% |
| Fort Washakie | WY | 1,759 | 1,759 | 0.4% | 100.0% |
| South Park | WY | 1,731 | 1,731 | 0.4% | 100.0% |
| Greybull | WY | 1,715 | 1,715 | 0.4% | 100.0% |
| Wright | WY | 1,660 | 1,660 | 0.4% | 100.0% |
| Antelope Valley-Crestview | WY | 1,658 | 1,658 | 0.4% | 100.0% |
| Arapahoe | WY | 1,656 | 1,656 | 0.4% | 100.0% |
| Ethete | WY | 1,553 | 1,553 | 0.3% | 100.0% |
| Wilson | WY | 1,482 | 1,482 | 0.3% | 100.0% |
| Lusk | WY | 1,401 | 1,401 | 0.3% | 100.0% |
| Alpine | WY | 1,360 | 1,360 | 0.3% | 100.0% |
| Basin | WY | 1,337 | 1,337 | 0.3% | 100.0% |
| Sleepy Hollow | WY | 1,308 | 1,308 | 0.3% | 100.0% |
| Mountain View | WY | 1,268 | 1,268 | 0.3% | 100.0% |
| Mountain View | WY | 1,268 | 1,268 | 0.3% | 100.0% |
| Ranchester | WY | 1,176 | 1,176 | 0.3% | 100.0% |
| Hoback | WY | 1,176 | 1,176 | 0.3% | 100.0% |
| Sundance | WY | 1,123 | 1,123 | 0.3% | 100.0% |
| Pine Bluffs | WY | 1,111 | 1,111 | 0.2% | 100.0% |
| Guernsey | WY | 1,094 | 1,094 | 0.2% | 100.0% |
| Rafter J Ranch | WY | 1,075 | 1,075 | 0.2% | 100.0% |
| Moorcroft | WY | 1,025 | 1,025 | 0.2% | 100.0% |
| Dubois | WY | 989 | 989 | 0.2% | 100.0% |
| Vista West | WY | 951 | 951 | 0.2% | 100.0% |
| Upton | WY | 900 | 900 | 0.2% | 100.0% |
| Cowley | WY | 859 | 859 | 0.2% | 100.0% |
| Marbleton | WY | 845 | 845 | 0.2% | 100.0% |
| Dayton | WY | 829 | 829 | 0.2% | 100.0% |
| Story | WY | 828 | 828 | 0.2% | 100.0% |
| Clearview Acres | WY | 795 | 795 | 0.2% | 100.0% |
| Reliance | WY | 714 | 714 | 0.2% | 100.0% |
| Hartrandt | WY | 693 | 693 | 0.2% | 100.0% |
| Hanna | WY | 660 | 660 | 0.2% | 100.0% |
| Nordic | WY | 602 | 602 | 0.1% | 100.0% |
| Byron | WY | 577 | 577 | 0.1% | 100.0% |
| Pine Haven | WY | 565 | 565 | 0.1% | 100.0% |
| James Town | WY | 536 | 536 | 0.1% | 100.0% |
| Lucerne | WY | 535 | 535 | 0.1% | 100.0% |
| Purple Sage | WY | 535 | 535 | 0.1% | 100.0% |
| Bear River | WY | 521 | 521 | 0.1% | 100.0% |
| Diamondville | WY | 517 | 517 | 0.1% | 100.0% |
| Shoshoni | WY | 500 | 500 | 0.1% | 100.0% |
| Cokeville | WY | 490 | 490 | 0.1% | 100.0% |
| Big Horn | WY | 490 | 490 | 0.1% | 100.0% |
| Red Butte | WY | 449 | 449 | 0.1% | 100.0% |
| La Grange | WY | 448 | 448 | 0.1% | 100.0% |
| Encampment | WY | 444 | 444 | 0.1% | 100.0% |
| Hudson | WY | 436 | 436 | 0.1% | 100.0% |
| Thayne | WY | 432 | 432 | 0.1% | 100.0% |
| Rolling Hills | WY | 426 | 426 | 0.1% | 100.0% |
| Boulder Flats | WY | 408 | 408 | 0.1% | 100.0% |
| Baggs | WY | 407 | 407 | 0.1% | 100.0% |
| Casper Mountain | WY | 401 | 401 | 0.1% | 100.0% |
| Lingle | WY | 398 | 398 | 0.1% | 100.0% |
| Osmond | WY | 397 | 397 | 0.1% | 100.0% |
| La Barge | WY | 395 | 395 | 0.1% | 100.0% |
| Alta | WY | 394 | 394 | 0.1% | 100.0% |
| Big Piney | WY | 390 | 390 | 0.1% | 100.0% |
| Burns | WY | 379 | 379 | 0.1% | 100.0% |
| Burlington | WY | 379 | 379 | 0.1% | 100.0% |
| Sinclair | WY | 361 | 361 | 0.1% | 100.0% |
| Fort Bridger | WY | 345 | 345 | 0.1% | 100.0% |
| Hulett | WY | 341 | 341 | 0.1% | 100.0% |
| Teton Village | WY | 330 | 330 | 0.1% | 100.0% |
| Auburn | WY | 328 | 328 | 0.1% | 100.0% |
| Meeteetse | WY | 316 | 316 | 0.1% | 100.0% |
| Farson | WY | 313 | 313 | 0.1% | 100.0% |
| Midwest | WY | 291 | 291 | 0.1% | 100.0% |
| Kaycee | WY | 283 | 283 | 0.1% | 100.0% |
| Eden | WY | 281 | 281 | 0.1% | 100.0% |
| Ralston | WY | 280 | 280 | 0.1% | 100.0% |
| Homa Hills | WY | 278 | 278 | 0.1% | 100.0% |
| Fairview | WY | 275 | 275 | 0.1% | 100.0% |
| Centennial | WY | 270 | 270 | 0.1% | 100.0% |
| Mammoth | WY | 263 | 263 | 0.1% | 100.0% |
| Urie | WY | 262 | 262 | 0.1% | 100.0% |
| Ten Sleep | WY | 262 | 262 | 0.1% | 100.0% |
| Alpine Northwest | WY | 244 | 244 | 0.1% | 100.0% |
| Johnstown | WY | 242 | 242 | 0.1% | 100.0% |
| Glendo | WY | 238 | 238 | 0.1% | 100.0% |
| Medicine Bow | WY | 238 | 238 | 0.1% | 100.0% |
| East Thermopolis | WY | 232 | 232 | 0.1% | 100.0% |
| Pavillion | WY | 229 | 229 | 0.1% | 100.0% |
| Rock River | WY | 224 | 224 | 0.1% | 100.0% |
| Fort Laramie | WY | 222 | 222 | 0.1% | 100.0% |
| Freedom | WY | 214 | 214 | 0.1% | 100.0% |
| Osage | WY | 208 | 208 | 0.1% | 100.0% |
| Bedford | WY | 201 | 201 | 0.1% | 100.0% |
| Bessemer Bend | WY | 199 | 199 | 0.1% | 100.0% |
| Meadow Acres | WY | 198 | 198 | 0.1% | 100.0% |
| Wamsutter | WY | 197 | 197 | 0.0% | 100.0% |
| Alpine Northeast | WY | 196 | 196 | 0.0% | 100.0% |
| Smoot | WY | 195 | 195 | 0.0% | 100.0% |
| Y-O Ranch | WY | 195 | 195 | 0.0% | 100.0% |
| Turnerville | WY | 192 | 192 | 0.0% | 100.0% |
| Brookhurst | WY | 185 | 185 | 0.0% | 100.0% |
| Superior | WY | 183 | 183 | 0.0% | 100.0% |
| Deaver | WY | 171 | 171 | 0.0% | 100.0% |
| Hill View Heights | WY | 170 | 170 | 0.0% | 100.0% |
| Boulder | WY | 170 | 170 | 0.0% | 100.0% |
| Chugwater | WY | 169 | 169 | 0.0% | 100.0% |
| Etna | WY | 164 | 164 | 0.0% | 100.0% |
| Albin | WY | 162 | 162 | 0.0% | 100.0% |
| Chugcreek | WY | 156 | 156 | 0.0% | 100.0% |
| Edgerton | WY | 155 | 155 | 0.0% | 100.0% |
| Parkman | WY | 151 | 151 | 0.0% | 100.0% |
| Daniel | WY | 150 | 150 | 0.0% | 100.0% |
| Elk Mountain | WY | 148 | 148 | 0.0% | 100.0% |
| Grover | WY | 147 | 147 | 0.0% | 100.0% |
| Frannie | WY | 146 | 146 | 0.0% | 100.0% |
| Cora | WY | 142 | 142 | 0.0% | 100.0% |
| Crowheart | WY | 141 | 141 | 0.0% | 100.0% |
| Kelly | WY | 138 | 138 | 0.0% | 100.0% |
| Yoder | WY | 133 | 133 | 0.0% | 100.0% |
| Clearmont | WY | 124 | 124 | 0.0% | 100.0% |
| Garland | WY | 115 | 115 | 0.0% | 100.0% |
| Granger | WY | 97 | 97 | 0.0% | 100.0% |
| Antelope Hills | WY | 97 | 97 | 0.0% | 100.0% |
| Robertson | WY | 97 | 97 | 0.0% | 100.0% |
| Woods Landing-Jelm | WY | 97 | 97 | 0.0% | 100.0% |
| Carpenter | WY | 94 | 94 | 0.0% | 100.0% |
| Bondurant | WY | 93 | 93 | 0.0% | 100.0% |
| Manville | WY | 91 | 91 | 0.0% | 100.0% |
| Taylor | WY | 90 | 90 | 0.0% | 100.0% |
| Manderson | WY | 89 | 89 | 0.0% | 100.0% |
| Lakeview North | WY | 84 | 84 | 0.0% | 100.0% |
| Shell | WY | 83 | 83 | 0.0% | 100.0% |
| Whiting | WY | 83 | 83 | 0.0% | 100.0% |
| Slater | WY | 80 | 80 | 0.0% | 100.0% |
| Alcova | WY | 76 | 76 | 0.0% | 100.0% |
| Kirby | WY | 75 | 75 | 0.0% | 100.0% |
| Hyattville | WY | 75 | 75 | 0.0% | 100.0% |
| Dixon | WY | 74 | 74 | 0.0% | 100.0% |
| Beulah | WY | 73 | 73 | 0.0% | 100.0% |
| Little America | WY | 68 | 68 | 0.0% | 100.0% |
| Hartville | WY | 68 | 68 | 0.0% | 100.0% |
| Riverside | WY | 66 | 66 | 0.0% | 100.0% |
| Bairoil | WY | 66 | 66 | 0.0% | 100.0% |
| Opal | WY | 64 | 64 | 0.0% | 100.0% |
| Arrowhead Springs | WY | 63 | 63 | 0.0% | 100.0% |
| McKinnon | WY | 60 | 60 | 0.0% | 100.0% |
| Jeffrey City | WY | 58 | 58 | 0.0% | 100.0% |
| Albany | WY | 55 | 55 | 0.0% | 100.0% |
| Westview Circle | WY | 52 | 52 | 0.0% | 100.0% |
| Esterbrook | WY | 52 | 52 | 0.0% | 100.0% |
| Washam | WY | 51 | 51 | 0.0% | 100.0% |
| Lonetree | WY | 49 | 49 | 0.0% | 100.0% |
| Oakley | WY | 49 | 49 | 0.0% | 100.0% |
| Hillsdale | WY | 47 | 47 | 0.0% | 100.0% |
| Orin | WY | 46 | 46 | 0.0% | 100.0% |
| Hawk Springs | WY | 45 | 45 | 0.0% | 100.0% |
| Powder River | WY | 44 | 44 | 0.0% | 100.0% |
| Lance Creek | WY | 43 | 43 | 0.0% | 100.0% |
| Arvada | WY | 43 | 43 | 0.0% | 100.0% |
| Ryan Park | WY | 38 | 38 | 0.0% | 100.0% |
| Atlantic City | WY | 37 | 37 | 0.0% | 100.0% |
| Huntley | WY | 30 | 30 | 0.0% | 100.0% |
| Arlington | WY | 25 | 25 | 0.0% | 100.0% |
| Veteran | WY | 23 | 23 | 0.0% | 100.0% |
| Van Tassell | WY | 22 | 22 | 0.0% | 100.0% |
| Fox Park | WY | 22 | 22 | 0.0% | 100.0% |
| Fontenelle | WY | 13 | 13 | 0.0% | 100.0% |
| Carter | WY | 10 | 10 | 0.0% | 100.0% |
| Owl Creek | WY | 5 | 5 | 0.0% | 100.0% |
| Lost Springs | WY | 4 | 4 | 0.0% | 100.0% |
| Table Rock | WY | 0 | 0 | 0.0% | 100.0% |
City population is shown in full; each city's share inside 307 is measured from Census tract centroids.
What counties does area code 307 cover?
| County | State | Population in 307 | % of area-code footprint | % of County |
|---|---|---|---|---|
| Laramie County | WY | 100,512 | 17% | 100% |
| Natrona County | WY | 79,955 | 14% | 100% |
| Campbell County | WY | 47,026 | 8% | 100% |
| Sweetwater County | WY | 42,272 | 7% | 100% |
| Fremont County | WY | 39,234 | 7% | 100% |
| Albany County | WY | 37,066 | 6% | 100% |
| Sheridan County | WY | 30,921 | 5% | 100% |
| Park County | WY | 29,624 | 5% | 100% |
| Teton County | WY | 23,331 | 4% | 100% |
| Uinta County | WY | 20,450 | 4% | 100% |
| Lincoln County | WY | 19,581 | 3% | 100% |
| Carbon County | WY | 14,537 | 3% | 100% |
| Converse County | WY | 13,751 | 2% | 100% |
| Goshen County | WY | 12,498 | 2% | 100% |
| Big Horn County | WY | 11,521 | 2% | 100% |
| Sublette County | WY | 8,728 | 2% | 100% |
| Platte County | WY | 8,605 | 1% | 100% |
| Johnson County | WY | 8,447 | 1% | 100% |
| Washakie County | WY | 7,685 | 1% | 100% |
| Crook County | WY | 7,181 | 1% | 100% |
| Weston County | WY | 6,838 | 1% | 100% |
| Hot Springs County | WY | 4,621 | 1% | 100% |
| Niobrara County | WY | 2,467 | 0% | 100% |
- Census PEP Vintage 2024 (city populations)
- · 2020 Census tract centroids with NANP and TIGERweb boundaries (footprint, counties, city shares)
- · NANPA NPA and CO Code reports (dates, prefixes)
- · Methodology
Has area code 307 been reported for unwanted calls?
Yes – 1,782 FTC complaints, May 29 – Oct 1, 2026.
- 70% robocalls
- ↓ 24% vs prior period
- FTC data, retrieved 2026-10-05
Most-reported subjects
- Other41%738
- Reducing your debt (credit cards, mortgage, student loans)36%645
- Calls pretending to be government, businesses, or family and friends5%86
Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints.
Which prefixes and exchanges belong to area code 307?
46% assigned to a telco
- 76% Landline
- 24% Wireless
- 0% Unknown
of 460 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (307)200- | Landline | Level 3 Communications |
| (307)201- | Landline | Level 3 Communications |
| (307)202- | Wireless | New Cingular Wireless Pcs |
| (307)203- | Wireless | T-Mobile Usa |
| (307)204- | Landline | Airus |
| (307)205- | Landline | Level 3 Communications |
| (307)206- | Landline | Mcimetro Access Transmission Services |
| (307)207- | Landline | Airus |
| (307)209- | Wireless | Verizon Wireless |
| (307)210- | Wireless | New Cingular Wireless Pcs |
| (307)212- | Landline | Level 3 Communications |
| (307)213- | Landline | Level 3 Communications |
| (307)214- | Wireless | Verizon Wireless |
| (307)215- | Landline | At&T |
| (307)216- | Wireless | New Cingular Wireless Pcs |
| (307)217- | Wireless | New Cingular Wireless Pcs |
| (307)218- | Landline | Onvoy |
| (307)219- | Landline | Centurylink Communications |
| (307)220- | Wireless | T-Mobile Usa |
| (307)221- | Wireless | T-Mobile Usa |
| (307)222- | Landline | Level 3 Communications |
| (307)223- | Landline | Level 3 Communications |
| (307)224- | Landline | Level 3 Communications |
| (307)225- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)226- | Landline | Mcimetro Access Transmission Services |
| (307)227- | Landline | Centurylink Communications |
| (307)228- | Landline | Bandwidth.Com Clec |
| (307)229- | Landline | Gold Star Communications |
| (307)230- | Landline | Bandwidth.Com Clec |
| (307)231- | Wireless | Verizon Wireless |
| (307)232- | Landline | Qwest |
| (307)233- | Landline | Qwest |
| (307)234- | Landline | Qwest |
| (307)235- | Landline | Qwest |
| (307)236- | Wireless | New Cingular Wireless Pcs |
| (307)237- | Landline | Qwest |
| (307)238- | Wireless | New Cingular Wireless Pcs |
| (307)239- | Landline | Gold Star Communications |
| (307)240- | Wireless | Verizon Wireless |
| (307)241- | Wireless | New Cingular Wireless Pcs |
| (307)242- | Landline | Qwest |
| (307)243- | Landline | Onvoy |
| (307)244- | Landline | Silver Star Tel Co |
| (307)245- | Landline | Rt Communications |
| (307)246- | Landline | Rt Communications |
| (307)247- | Wireless | New Cingular Wireless Pcs |
| (307)248- | Wireless | Verizon Wireless |
| (307)249- | Landline | Telnyx |
| (307)250- | Wireless | Verizon Wireless |
| (307)251- | Wireless | Verizon Wireless |
| (307)252- | Landline | Uintah Basin Electronic Telecommunications |
| (307)253- | Landline | Qwest |
| (307)254- | Wireless | Verizon Wireless |
| (307)255- | Landline | Uintah Basin Electronic Telecommunications |
| (307)256- | Landline | Metropcs |
| (307)257- | Landline | Level 3 Communications |
| (307)258- | Wireless | Verizon Wireless |
| (307)259- | Wireless | Verizon Wireless |
| (307)260- | Landline | Union Telephone |
| (307)261- | Landline | Qwest |
| (307)262- | Wireless | Verizon Wireless |
| (307)263- | Wireless | Csc Wireless |
| (307)264- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)265- | Landline | Qwest |
| (307)266- | Landline | Qwest |
| (307)267- | Wireless | New Cingular Wireless Pcs |
| (307)268- | Landline | Qwest |
| (307)269- | Landline | Level 3 Communications |
| (307)270- | Landline | Union Telephone |
| (307)271- | Landline | Level 3 Communications |
| (307)272- | Wireless | Verizon Wireless |
| (307)273- | Landline | Centurylink |
| (307)274- | Landline | Mcimetro Access Transmission Services |
| (307)275- | Wireless | Verizon Wireless |
| (307)276- | Landline | Centurylink |
| (307)277- | Wireless | Verizon Wireless |
| (307)278- | Landline | Level 3 Communications |
| (307)279- | Landline | All West Communications |
| (307)280- | Landline | Union Telephone |
| (307)281- | Wireless | Verizon Wireless |
| (307)282- | Wireless | Verizon Wireless |
| (307)283- | Landline | Range Tel Coop |
| (307)284- | Landline | Silver Star Telephone Company |
| (307)285- | Landline | Airus |
| (307)286- | Wireless | Verizon Wireless |
| (307)287- | Wireless | Verizon Wireless |
| (307)288- | Landline | Level 3 Communications |
| (307)290- | Wireless | New Cingular Wireless Pcs |
| (307)291- | Landline | Commio |
| (307)292- | Landline | Hd Carrier |
| (307)293- | Landline | Onvoy |
| (307)296- | Landline | Onvoy |
| (307)297- | Landline | Uintah Basin Electronic Telecommunications |
| (307)298- | Landline | Level 3 Communications |
| (307)299- | Wireless | New Cingular Wireless Pcs |
| (307)300- | Landline | Onvoy |
| (307)302- | Landline | Bandwidth.Com Clec |
| (307)303- | Landline | Bandwidth.Com Clec |
| (307)304- | Wireless | New Cingular Wireless Pcs |
| (307)305- | Wireless | New Cingular Wireless Pcs |
| (307)306- | Landline | Stratus Networks |
| (307)309- | Wireless | New Cingular Wireless Pcs |
| (307)310- | Landline | Onvoy Spectrum |
| (307)312- | Landline | Bandwidth.Com Clec |
| (307)313- | Landline | Level 3 Communications |
| (307)314- | Landline | Bandwidth.Com Clec |
| (307)315- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)316- | Landline | Onvoy |
| (307)317- | Landline | Onvoy |
| (307)318- | Landline | Bandwidth.Com Clec |
| (307)319- | Wireless | New Cingular Wireless Pcs |
| (307)320- | Landline | Union Telephone |
| (307)321- | Wireless | Verizon Wireless |
| (307)322- | Landline | Qwest |
| (307)323- | Landline | Radiantiq |
| (307)324- | Landline | Qwest |
| (307)325- | Landline | Union Tel. Co. |
| (307)326- | Landline | Union Tel. Co. |
| (307)327- | Landline | Union Tel. Co. |
| (307)328- | Landline | Qwest |
| (307)329- | Landline | Union Telephone |
| (307)330- | Landline | Union Telephone |
| (307)331- | Wireless | Verizon Wireless |
| (307)332- | Landline | Qwest |
| (307)333- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)334- | Landline | Qwest |
| (307)335- | Landline | Qwest |
| (307)336- | Landline | Onvoy |
| (307)337- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)338- | Wireless | Verizon Wireless |
| (307)339- | Landline | Union Telephone |
| (307)340- | Wireless | Verizon Wireless |
| (307)341- | Landline | Project Tel. Co. |
| (307)342- | Landline | Onvoy |
| (307)343- | Wireless | Verizon Wireless |
| (307)344- | Landline | Qwest |
| (307)345- | Landline | Union Telephone |
| (307)346- | Wireless | Dish Wireless |
| (307)347- | Landline | Rt Communications |
| (307)348- | Landline | Union Tel. Co. |
| (307)349- | Wireless | Verizon Wireless |
| (307)350- | Landline | Union Telephone |
| (307)351- | Wireless | New Cingular Wireless Pcs |
| (307)352- | Landline | Qwest |
| (307)353- | Landline | Silver Star Communications |
| (307)354- | Landline | Union Telephone |
| (307)355- | Wireless | T-Mobile Usa |
| (307)356- | Landline | Union Tel. Co. |
| (307)358- | Landline | Qwest |
| (307)359- | Wireless | Verizon Wireless |
| (307)360- | Landline | Union Telephone |
| (307)361- | Wireless | New Cingular Wireless Pcs |
| (307)362- | Landline | Qwest |
| (307)363- | Landline | Bandwidth.Com Clec |
| (307)364- | Landline | Bandwidth.Com Clec |
| (307)365- | Wireless | New Cingular Wireless Pcs |
| (307)366- | Landline | Tri-County Tel. Assn. |
| (307)367- | Landline | Centurylink |
| (307)368- | Wireless | Verizon Wireless |
| (307)369- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)370- | Wireless | Verizon Wireless |
| (307)371- | Wireless | Verizon Wireless |
| (307)372- | Landline | Onvoy |
| (307)373- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)374- | Landline | Vonage America |
| (307)375- | Landline | Rt Communications |
| (307)376- | Wireless | New Cingular Wireless Pcs |
| (307)377- | Landline | Union Telephone |
| (307)378- | Landline | Union Tel. Co. |
| (307)379- | Landline | Centurylink |
| (307)380- | Landline | Union Telephone |
| (307)381- | Landline | Bandwidth.Com Clec |
| (307)382- | Landline | Qwest |
| (307)383- | Landline | Dubois Tel. Exch. |
| (307)384- | Landline | Commio |
| (307)386- | Landline | Union Tel. Co. |
| (307)387- | Landline | Bandwidth.Com Clec |
| (307)388- | Wireless | New Cingular Wireless Pcs |
| (307)389- | Wireless | Verizon Wireless |
| (307)390- | Landline | Union Telephone |
| (307)391- | Wireless | New Cingular Wireless Pcs |
| (307)392- | Landline | Level 3 Communications |
| (307)393- | Landline | Airus |
| (307)394- | Wireless | T-Mobile Usa |
| (307)395- | Landline | Bandwidth.Com Clec |
| (307)396- | Landline | Bandwidth.Com Clec |
| (307)397- | Wireless | New Cingular Wireless Pcs |
| (307)398- | Wireless | New Cingular Wireless Pcs |
| (307)399- | Wireless | Verizon Wireless |
| (307)400- | Landline | Terra Nova Telecom |
| (307)401- | Wireless | New Cingular Wireless Pcs |
| (307)402- | Wireless | New Cingular Wireless Pcs |
| (307)403- | Landline | Bandwidth.Com Clec |
| (307)404- | Wireless | New Cingular Wireless Pcs |
| (307)407- | Landline | Onvoy |
| (307)408- | Wireless | New Cingular Wireless Pcs |
| (307)409- | Wireless | New Cingular Wireless Pcs |
| (307)410- | Wireless | T-Mobile Usa |
| (307)412- | Landline | At&T |
| (307)413- | Wireless | New Cingular Wireless Pcs |
| (307)414- | Landline | Airus |
| (307)415- | Landline | Nuso |
| (307)417- | Landline | Onvoy |
| (307)419- | Wireless | T-Mobile Usa |
| (307)421- | Wireless | Verizon Wireless |
| (307)422- | Landline | Chugwater Tel. Co. |
| (307)423- | Landline | Bandwidth.Com Clec |
| (307)425- | Landline | Advanced Communications Technology |
| (307)426- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)429- | Landline | Bandwidth.Com Clec |
| (307)431- | Wireless | Verizon Wireless |
| (307)432- | Landline | Qwest |
| (307)433- | Landline | Qwest |
| (307)436- | Landline | Qwest |
| (307)437- | Landline | Rt Communications |
| (307)438- | Wireless | Verizon Wireless |
| (307)439- | Landline | Level 3 Communications |
| (307)440- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)441- | Wireless | Verizon Wireless |
| (307)443- | Landline | Commio |
| (307)444- | Landline | All West/Wyoming |
| (307)445- | Landline | Onvoy |
| (307)447- | Landline | Level 3 Communications |
| (307)448- | Wireless | Verizon Wireless |
| (307)450- | Landline | Union Telephone |
| (307)455- | Landline | Dubois Tel. Exch. |
| (307)456- | Landline | Onvoy |
| (307)457- | Landline | Rt Communications |
| (307)458- | Wireless | Dish Wireless |
| (307)459- | Landline | Level 3 Communications |
| (307)460- | Landline | Level 3 Communications |
| (307)461- | Landline | Level 3 Communications |
| (307)462- | Landline | Level 3 Communications |
| (307)463- | Landline | Level 3 Communications |
| (307)464- | Landline | Qwest |
| (307)465- | Landline | Rt Communications |
| (307)466- | Wireless | Verizon Wireless |
| (307)467- | Landline | Rt Communications |
| (307)468- | Landline | Rt Communications |
| (307)469- | Landline | Tri-County Tel. Assn. |
| (307)472- | Landline | Qwest |
| (307)473- | Landline | Qwest |
| (307)475- | Landline | Telnyx |
| (307)477- | Landline | Union Telephone |
| (307)480- | Wireless | New Cingular Wireless Pcs |
| (307)481- | Landline | Onvoy |
| (307)486- | Landline | Dubois Tel. Exch. |
| (307)487- | Wireless | Verizon Wireless |
| (307)488- | Landline | Bandwidth.Com Clec |
| (307)489- | Wireless | New Cingular Wireless Pcs |
| (307)497- | Landline | All West Communications |
| (307)500- | Landline | Onvoy |
| (307)509- | Landline | Bandwidth.Com Clec |
| (307)514- | Landline | Bresnan Broadband Of Wyoming, Llc - Wy [charter] |
| (307)520- | Landline | Union Telephone |
| (307)522- | Landline | Airus |
| (307)527- | Landline | Qwest |
| (307)529- | Landline | Ymax Communications |
| (307)532- | Landline | Centurylink West |
| (307)533- | Wireless | Verizon Wireless |
| (307)534- | Landline | Centurylink West |
| (307)537- | Landline | Centurylink |
| (307)540- | Landline | Union Telephone |
| (307)541- | Landline | Union Telephone |
| (307)543- | Landline | Qwest |
| (307)544- | Landline | Rt Communications |
| (307)545- | Landline | Qwest |
| (307)547- | Landline | Rt Communications |
| (307)548- | Landline | Tri-County Tel. Assn. |
| (307)549- | Landline | Union Telephone |
| (307)554- | Landline | Onvoy |
| (307)556- | Landline | Onvoy |
| (307)567- | Landline | Union Telephone |
| (307)568- | Landline | Tri-County Tel. Assn. |
| (307)575- | Wireless | Verizon Wireless |
| (307)576- | Landline | Silver Star Communications |
| (307)577- | Landline | Qwest |
| (307)578- | Landline | Qwest |
| (307)586- | Landline | Tri Tel |
| (307)587- | Landline | Qwest |
| (307)600- | Landline | Union Telephone |
| (307)620- | Wireless | Verizon Wireless |
| (307)621- | Wireless | Verizon Wireless |
| (307)622- | Wireless | New Cingular Wireless Pcs |
| (307)624- | Wireless | New Cingular Wireless Pcs |
| (307)629- | Wireless | New Cingular Wireless Pcs |
| (307)630- | Wireless | Verizon Wireless |
| (307)631- | Wireless | Verizon Wireless |
| (307)632- | Landline | Qwest |
| (307)633- | Landline | Qwest |
| (307)634- | Landline | Qwest |
| (307)635- | Landline | Qwest |
| (307)637- | Landline | Qwest |
| (307)638- | Landline | Qwest |
| (307)640- | Wireless | New Cingular Wireless Pcs |
| (307)643- | Landline | Qwest |
| (307)645- | Landline | Project Tel. Co. |
| (307)649- | Landline | Rt Communications |
| (307)650- | Landline | Airus |
| (307)654- | Landline | Silver Star Tel Co |
| (307)655- | Landline | Qwest |
| (307)656- | Landline | Gold Star Communications |
| (307)660- | Wireless | New Cingular Wireless Pcs |
| (307)663- | Landline | Golden West Telecomm |
| (307)664- | Landline | Tri-County Tel. Assn. |
| (307)666- | Landline | Fractel |
| (307)667- | Landline | Onvoy |
| (307)670- | Wireless | Verizon Wireless |
| (307)672- | Landline | Qwest |
| (307)673- | Landline | Qwest |
| (307)674- | Landline | Qwest |
| (307)675- | Landline | Advanced Communications Technology |
| (307)677- | Wireless | Verizon Wireless |
| (307)679- | Wireless | Verizon Wireless |
| (307)680- | Wireless | New Cingular Wireless Pcs |
| (307)681- | Landline | Advanced Communications Technology |
| (307)682- | Landline | Qwest |
| (307)683- | Landline | Qwest |
| (307)684- | Landline | Qwest |
| (307)685- | Landline | Qwest |
| (307)686- | Landline | Qwest |
| (307)687- | Landline | Qwest |
| (307)688- | Landline | Qwest |
| (307)689- | Wireless | Verizon Wireless |
| (307)690- | Wireless | Verizon Wireless |
| (307)696- | Wireless | New Cingular Wireless Pcs |
| (307)699- | Wireless | Verizon Wireless |
| (307)701- | Landline | Union Telephone |
| (307)702- | Landline | Union Telephone |
| (307)703- | Landline | Union Telephone |
| (307)704- | Landline | Union Telephone |
| (307)705- | Landline | Union Telephone |
| (307)706- | Landline | Union Telephone |
| (307)707- | Landline | Union Telephone |
| (307)708- | Landline | Union Telephone |
| (307)709- | Landline | Union Telephone |
| (307)710- | Landline | Union Telephone |
| (307)712- | Landline | Union Telephone |
| (307)713- | Landline | Union Telephone |
| (307)714- | Landline | Union Telephone |
| (307)715- | Landline | Union Telephone |
| (307)716- | Landline | Union Telephone |
| (307)717- | Landline | Union Telephone |
| (307)718- | Landline | Union Telephone |
| (307)719- | Landline | Union Telephone |
| (307)720- | Landline | Union Telephone |
| (307)721- | Landline | Qwest |
| (307)722- | Landline | Union Telephone |
| (307)723- | Landline | Union Telephone |
| (307)724- | Landline | Union Telephone |
| (307)727- | Landline | Union Telephone |
| (307)728- | Landline | Union Telephone |
| (307)730- | Landline | Union Telephone |
| (307)731- | Landline | Union Telephone |
| (307)732- | Landline | Qwest |
| (307)733- | Landline | Qwest |
| (307)734- | Landline | Qwest |
| (307)735- | Landline | Qwest |
| (307)736- | Landline | Range Tel Coop |
| (307)737- | Landline | Range Tel Coop |
| (307)738- | Landline | Rt Communications |
| (307)739- | Landline | Qwest |
| (307)740- | Landline | Union Telephone |
| (307)741- | Landline | Union Telephone |
| (307)742- | Landline | Qwest |
| (307)744- | Landline | Union Telephone |
| (307)745- | Landline | Qwest |
| (307)746- | Landline | Rt Communications |
| (307)747- | Landline | Union Telephone |
| (307)749- | Landline | Union Telephone |
| (307)750- | Landline | Range Tel Coop |
| (307)751- | Wireless | New Cingular Wireless Pcs |
| (307)752- | Wireless | Verizon Wireless |
| (307)754- | Landline | Qwest |
| (307)755- | Landline | Qwest |
| (307)756- | Landline | Rt Communications |
| (307)757- | Landline | At&T |
| (307)758- | Landline | Range Tel Coop |
| (307)759- | Landline | Union Telephone |
| (307)760- | Wireless | Verizon Wireless |
| (307)761- | Wireless | New Cingular Wireless Pcs |
| (307)762- | Landline | Tri-County Tel. Assn. |
| (307)763- | Wireless | Verizon Wireless |
| (307)764- | Landline | Tri Tel |
| (307)765- | Landline | Tri-County Tel. Assn. |
| (307)766- | Landline | Qwest |
| (307)770- | Landline | All West/Wyoming |
| (307)771- | Landline | Qwest |
| (307)772- | Landline | Qwest |
| (307)773- | Landline | Qwest |
| (307)774- | Landline | Gold Star Communications |
| (307)775- | Landline | Qwest |
| (307)776- | Landline | Vonage America |
| (307)777- | Landline | Qwest |
| (307)778- | Landline | Qwest |
| (307)779- | Landline | Union Telephone |
| (307)780- | Landline | Union Telephone |
| (307)782- | Landline | Union Tel. Co. |
| (307)783- | Landline | Qwest |
| (307)785- | Landline | Onvoy |
| (307)786- | Landline | Union Tel. Co. |
| (307)787- | Landline | Union Tel. Co. |
| (307)788- | Landline | Centurylink West |
| (307)789- | Landline | Qwest |
| (307)790- | Landline | Union Telephone |
| (307)797- | Wireless | New Cingular Wireless Pcs |
| (307)798- | Landline | Union Telephone |
| (307)799- | Landline | Union Telephone |
| (307)800- | Landline | Onvoy |
| (307)823- | Landline | Teleport Communications America Wy |
| (307)828- | Landline | Qwest |
| (307)829- | Landline | Centurylink Communications |
| (307)834- | Landline | Centurylink West |
| (307)836- | Landline | Centurylink West |
| (307)837- | Landline | Centurylink West |
| (307)840- | Wireless | Verizon Wireless |
| (307)849- | Landline | Qwest |
| (307)850- | Landline | Union Telephone |
| (307)851- | Wireless | Verizon Wireless |
| (307)854- | Landline | Advanced Communications Technology |
| (307)855- | Landline | Qwest |
| (307)856- | Landline | Qwest |
| (307)857- | Landline | Qwest |
| (307)858- | Landline | Union Telephone |
| (307)859- | Landline | Centurylink |
| (307)864- | Landline | Rt Communications |
| (307)867- | Landline | Tri-County Tel. Assn. |
| (307)868- | Landline | Tri-County Tel. Assn. |
| (307)870- | Landline | Union Telephone |
| (307)871- | Wireless | Verizon Wireless |
| (307)872- | Landline | Qwest |
| (307)874- | Landline | Union Tel. Co. |
| (307)875- | Landline | Qwest |
| (307)876- | Landline | Rt Communications |
| (307)877- | Landline | Qwest |
| (307)878- | Landline | Range Tel Coop |
| (307)880- | Landline | Gold Star Communications |
| (307)881- | Landline | Advanced Communications Technology |
| (307)883- | Landline | Silver Star Tel Co |
| (307)884- | Landline | Union Telephone |
| (307)885- | Landline | Silver Star Tel Co |
| (307)886- | Landline | Qwest |
| (307)887- | Landline | Gold Star Communications |
| (307)888- | Landline | Telnyx |
| (307)890- | Landline | Union Telephone |
| (307)895- | Landline | Twilio International |
| (307)896- | Landline | Qwest |
| (307)899- | Wireless | New Cingular Wireless Pcs |
| (307)900- | Landline | Fractel |
| (307)910- | Landline | Radiantiq |
| (307)920- | Wireless | T-Mobile Usa |
| (307)921- | Wireless | Verizon Wireless |
| (307)922- | Landline | At&T |
| (307)939- | Landline | Qwest |
| (307)941- | Wireless | Verizon Wireless |
| (307)949- | Wireless | Verizon Wireless |
| (307)977- | Landline | Union Telephone |
| (307)995- | Landline | Qwest |
| (307)996- | Landline | Onvoy |
| (307)999- | Landline | Telnyx |
| No prefixes match “”. | ||
Frequently Asked Questions about the 307 Area Code
Who called me from a 307 number?
24% of its assigned prefixes are wireless. Largest holders: Qwest, Union Telephone, and Verizon Wireless.
Is 307 a scam area code?
Carriers hold 46% of its possible prefixes.
Why do I keep getting calls from the 307 area code?
Complaints fell 24% on the prior period.
Should I answer an unknown 307 number?
70% of its FTC complaints were robocalls. Its most-reported specific subject was "Reducing your debt (credit cards, mortgage, student loans)", at 36%.
How do I block calls from the 307 area code?
Blocking 307 blocks numbers in 203 cities.
Where is area code 307?
307 covers 203 cities and 576,851 residents in 23 Wyoming counties, led by Laramie, Natrona, and Campbell.
When did area code 307 go into service?
307 went into service in 1947.
Is 307 a real area code?
Yes: 48 carriers hold its prefixes, serving 203 cities in Laramie, Natrona, Campbell, and 20 other counties.
What timezone is the 307 area code in?
307 is on Mountain Time (MT).
How do I call a 307 number from abroad?
Dial +1 307, then the number.