Overview of the 779 Area Code
Geographic Coverage of the 779 Area Code
All 275 cities- 151,837
- 147,486
- Bolingbrookalso 331 · 63074,756
- Tinley Parkalso 464 · 70854,856
- Plainfieldalso 331 · 63048,881
- 41,513
Rockford Area Codes Overview
- 779This page
- 815Same territory
What cities does area code 779 cover?
| City | State | Population | Population in 779 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Joliet | IL | 151,837 | 151,837 | 9.8% | 100.0% |
| Rockford | IL | 147,486 | 147,486 | 9.5% | 100.0% |
| Bolingbrook | IL | 74,756 | 6,468 | 4.8% | 8.7% |
| Tinley Park | IL | 54,856 | 0 | 3.6% | 0.0% |
| Plainfield | IL | 48,881 | 41,896 | 3.2% | 85.7% |
| Crystal Lake | IL | 41,513 | 35,874 | 2.7% | 86.4% |
| Romeoville | IL | 41,177 | 36,567 | 2.7% | 88.8% |
| DeKalb | IL | 40,491 | 40,491 | 2.6% | 100.0% |
| McHenry | IL | 28,825 | 28,825 | 1.9% | 100.0% |
| New Lenox | IL | 28,480 | 28,480 | 1.8% | 100.0% |
| Lockport | IL | 26,915 | 26,915 | 1.7% | 100.0% |
| Woodstock | IL | 25,892 | 25,892 | 1.7% | 100.0% |
| Belvidere | IL | 25,325 | 25,325 | 1.6% | 100.0% |
| Homer Glen | IL | 24,852 | 0 | 1.6% | 0.0% |
| Loves Park | IL | 23,636 | 23,636 | 1.5% | 100.0% |
| Kankakee | IL | 23,535 | 23,535 | 1.5% | 100.0% |
| Freeport | IL | 23,140 | 23,140 | 1.5% | 100.0% |
| Machesney Park | IL | 22,839 | 22,839 | 1.5% | 100.0% |
| Frankfort | IL | 21,160 | 21,160 | 1.4% | 100.0% |
| Crest Hill | IL | 20,223 | 20,223 | 1.3% | 100.0% |
| Mokena | IL | 19,915 | 0 | 1.3% | 0.0% |
| Sycamore | IL | 18,968 | 18,968 | 1.2% | 100.0% |
| Ottawa | IL | 18,775 | 18,775 | 1.2% | 100.0% |
| Shorewood | IL | 18,522 | 18,522 | 1.2% | 100.0% |
| Bourbonnais | IL | 18,083 | 18,083 | 1.2% | 100.0% |
| Bradley | IL | 15,298 | 15,298 | 1.0% | 100.0% |
| Dixon | IL | 15,156 | 15,156 | 1.0% | 100.0% |
| Morris | IL | 14,587 | 14,587 | 0.9% | 100.0% |
| Sterling | IL | 14,535 | 14,535 | 0.9% | 100.0% |
| Channahon | IL | 14,392 | 14,392 | 0.9% | 100.0% |
| Minooka | IL | 12,907 | 12,907 | 0.8% | 100.0% |
| Streator | IL | 12,295 | 12,295 | 0.8% | 100.0% |
| Pontiac | IL | 11,054 | 11,054 | 0.7% | 100.0% |
| Roscoe | IL | 10,981 | 10,981 | 0.7% | 100.0% |
| Fox Lake | IL | 10,925 | 0 | 0.7% | 0.0% |
| Manhattan | IL | 10,772 | 10,772 | 0.7% | 100.0% |
| Peru | IL | 9,793 | 9,793 | 0.6% | 100.0% |
| Rochelle | IL | 9,510 | 9,510 | 0.6% | 100.0% |
| LaSalle | IL | 9,424 | 9,424 | 0.6% | 100.0% |
| Harvard | IL | 9,408 | 9,408 | 0.6% | 100.0% |
| Frankfort Square | IL | 9,276 | 9,276 | 0.6% | 100.0% |
| Manteno | IL | 9,241 | 9,241 | 0.6% | 100.0% |
| Rock Falls | IL | 8,614 | 8,614 | 0.6% | 100.0% |
| Island Lake | IL | 8,066 | 0 | 0.5% | 0.0% |
| South Beloit | IL | 7,983 | 7,983 | 0.5% | 100.0% |
| Rockton | IL | 7,861 | 7,861 | 0.5% | 100.0% |
| Marengo | IL | 7,699 | 7,699 | 0.5% | 100.0% |
| Princeton | IL | 7,667 | 7,667 | 0.5% | 100.0% |
| Volo | IL | 7,361 | 0 | 0.5% | 0.0% |
| Sandwich | IL | 7,299 | 7,299 | 0.5% | 100.0% |
| Mendota | IL | 6,922 | 6,922 | 0.5% | 100.0% |
| Lakemoor | IL | 6,451 | 0 | 0.4% | 0.0% |
| Johnsburg | IL | 6,428 | 6,428 | 0.4% | 100.0% |
| Braidwood | IL | 6,245 | 6,245 | 0.4% | 100.0% |
| Coal City | IL | 5,810 | 5,810 | 0.4% | 100.0% |
| Wilmington | IL | 5,629 | 5,629 | 0.4% | 100.0% |
| Spring Grove | IL | 5,554 | 5,554 | 0.4% | 100.0% |
| Genoa | IL | 5,514 | 5,514 | 0.4% | 100.0% |
| Spring Valley | IL | 5,404 | 5,404 | 0.4% | 100.0% |
| Wonder Lake | IL | 5,296 | 5,296 | 0.3% | 100.0% |
| Poplar Grove | IL | 5,165 | 5,165 | 0.3% | 100.0% |
| Marseilles | IL | 4,779 | 4,779 | 0.3% | 100.0% |
| Lake Holiday | IL | 4,761 | 4,761 | 0.3% | 100.0% |
| Cortland | IL | 4,592 | 4,592 | 0.3% | 100.0% |
| Watseka | IL | 4,495 | 4,495 | 0.3% | 100.0% |
| Lakewood | IL | 4,287 | 4,287 | 0.3% | 100.0% |
| Dwight | IL | 4,032 | 4,032 | 0.3% | 100.0% |
| Morrison | IL | 3,988 | 3,988 | 0.3% | 100.0% |
| Byron | IL | 3,764 | 3,764 | 0.2% | 100.0% |
| Oglesby | IL | 3,626 | 3,626 | 0.2% | 100.0% |
| Fulton | IL | 3,581 | 3,581 | 0.2% | 100.0% |
| Fairbury | IL | 3,571 | 3,571 | 0.2% | 100.0% |
| Oregon | IL | 3,570 | 3,570 | 0.2% | 100.0% |
| Pistakee Highlands | IL | 3,454 | 0 | 0.2% | 0.0% |
| Ingalls Park | IL | 3,314 | 3,314 | 0.2% | 100.0% |
| Galena | IL | 3,207 | 3,207 | 0.2% | 100.0% |
| Momence | IL | 3,169 | 3,169 | 0.2% | 100.0% |
| Winnebago | IL | 2,907 | 2,907 | 0.2% | 100.0% |
| Cherry Valley | IL | 2,888 | 2,888 | 0.2% | 100.0% |
| Mount Morris | IL | 2,792 | 2,792 | 0.2% | 100.0% |
| Savanna | IL | 2,713 | 2,713 | 0.2% | 100.0% |
| Diamond | IL | 2,702 | 2,702 | 0.2% | 100.0% |
| Lena | IL | 2,666 | 2,666 | 0.2% | 100.0% |
| Preston Heights | IL | 2,575 | 2,575 | 0.2% | 100.0% |
| Davis Junction | IL | 2,534 | 2,534 | 0.2% | 100.0% |
| Fairmont | IL | 2,459 | 2,459 | 0.2% | 100.0% |
| Sheridan | IL | 2,413 | 2,413 | 0.2% | 100.0% |
| Seneca | IL | 2,310 | 2,310 | 0.2% | 100.0% |
| Elwood | IL | 2,248 | 2,248 | 0.2% | 100.0% |
| Polo | IL | 2,238 | 2,238 | 0.2% | 100.0% |
| Amboy | IL | 2,224 | 2,224 | 0.1% | 100.0% |
| Richmond | IL | 2,123 | 2,123 | 0.1% | 100.0% |
| Pecatonica | IL | 2,058 | 2,058 | 0.1% | 100.0% |
| Lake Summerset | IL | 2,048 | 2,048 | 0.1% | 100.0% |
| Rockdale | IL | 1,980 | 1,980 | 0.1% | 100.0% |
| Hinckley | IL | 1,976 | 1,976 | 0.1% | 100.0% |
| Prairie Grove | IL | 1,951 | 1,951 | 0.1% | 100.0% |
| Prophetstown | IL | 1,906 | 1,906 | 0.1% | 100.0% |
| Crystal Lawns | IL | 1,872 | 1,872 | 0.1% | 100.0% |
| Somonauk | IL | 1,761 | 1,761 | 0.1% | 100.0% |
| Chenoa | IL | 1,699 | 1,699 | 0.1% | 100.0% |
| Gilman | IL | 1,674 | 1,674 | 0.1% | 100.0% |
| Stockton | IL | 1,668 | 1,668 | 0.1% | 100.0% |
| Kirkland | IL | 1,621 | 1,621 | 0.1% | 100.0% |
| Earlville | IL | 1,598 | 1,598 | 0.1% | 100.0% |
| Thomson | IL | 1,595 | 1,595 | 0.1% | 100.0% |
| De Pue | IL | 1,573 | 1,573 | 0.1% | 100.0% |
| Waterman | IL | 1,543 | 1,543 | 0.1% | 100.0% |
| Limestone | IL | 1,524 | 1,524 | 0.1% | 100.0% |
| Herscher | IL | 1,493 | 1,493 | 0.1% | 100.0% |
| Maple Park | IL | 1,482 | 1,482 | 0.1% | 100.0% |
| Lanark | IL | 1,463 | 1,463 | 0.1% | 100.0% |
| East Dubuque | IL | 1,457 | 1,457 | 0.1% | 100.0% |
| Mount Carroll | IL | 1,433 | 1,433 | 0.1% | 100.0% |
| Forreston | IL | 1,403 | 1,403 | 0.1% | 100.0% |
| Capron | IL | 1,402 | 1,402 | 0.1% | 100.0% |
| Hebron | IL | 1,396 | 1,396 | 0.1% | 100.0% |
| Ladd | IL | 1,387 | 1,387 | 0.1% | 100.0% |
| Durand | IL | 1,383 | 1,383 | 0.1% | 100.0% |
| Gardner | IL | 1,366 | 1,366 | 0.1% | 100.0% |
| Lakewood Shores | IL | 1,347 | 1,347 | 0.1% | 100.0% |
| North Utica | IL | 1,343 | 1,343 | 0.1% | 100.0% |
| Granville | IL | 1,331 | 1,331 | 0.1% | 100.0% |
| Toluca | IL | 1,321 | 1,321 | 0.1% | 100.0% |
| Clifton | IL | 1,295 | 1,295 | 0.1% | 100.0% |
| Onarga | IL | 1,294 | 1,294 | 0.1% | 100.0% |
| Grant Park | IL | 1,282 | 1,282 | 0.1% | 100.0% |
| Warren | IL | 1,276 | 1,276 | 0.1% | 100.0% |
| Walnut | IL | 1,265 | 1,265 | 0.1% | 100.0% |
| Hillcrest | IL | 1,206 | 1,206 | 0.1% | 100.0% |
| Chatsworth | IL | 1,162 | 1,162 | 0.1% | 100.0% |
| Malta | IL | 1,137 | 1,137 | 0.1% | 100.0% |
| Bull Valley | IL | 1,136 | 1,136 | 0.1% | 100.0% |
| St. Anne | IL | 1,130 | 1,130 | 0.1% | 100.0% |
| Milford | IL | 1,111 | 1,111 | 0.1% | 100.0% |
| Kingston | IL | 1,095 | 1,095 | 0.1% | 100.0% |
| The Galena Territory | IL | 1,058 | 1,058 | 0.1% | 100.0% |
| Stillman Valley | IL | 1,052 | 1,052 | 0.1% | 100.0% |
| Flanagan | IL | 1,023 | 1,023 | 0.1% | 100.0% |
| Forrest | IL | 1,019 | 1,019 | 0.1% | 100.0% |
| Chebanse | IL | 1,011 | 1,011 | 0.1% | 100.0% |
| Milledgeville | IL | 992 | 992 | 0.1% | 100.0% |
| Odell | IL | 983 | 983 | 0.1% | 100.0% |
| Mazon | IL | 982 | 982 | 0.1% | 100.0% |
| Newark | IL | 980 | 980 | 0.1% | 100.0% |
| McCullom Lake | IL | 968 | 968 | 0.1% | 100.0% |
| Wenona | IL | 955 | 955 | 0.1% | 100.0% |
| Ashton | IL | 939 | 939 | 0.1% | 100.0% |
| Sheldon | IL | 930 | 930 | 0.1% | 100.0% |
| Leland | IL | 928 | 928 | 0.1% | 100.0% |
| Timberlane | IL | 902 | 902 | 0.1% | 100.0% |
| Franklin Grove | IL | 876 | 876 | 0.1% | 100.0% |
| Wyanet | IL | 858 | 858 | 0.1% | 100.0% |
| Essex | IL | 853 | 853 | 0.1% | 100.0% |
| Shabbona | IL | 852 | 852 | 0.1% | 100.0% |
| Shannon | IL | 841 | 841 | 0.1% | 100.0% |
| Ringwood | IL | 837 | 837 | 0.1% | 100.0% |
| Hanover | IL | 828 | 828 | 0.1% | 100.0% |
| New Milford | IL | 807 | 807 | 0.1% | 100.0% |
| Paw Paw | IL | 806 | 806 | 0.1% | 100.0% |
| Sheffield | IL | 798 | 798 | 0.1% | 100.0% |
| Cissna Park | IL | 778 | 778 | 0.1% | 100.0% |
| Pearl City | IL | 756 | 756 | 0.1% | 100.0% |
| Hennepin | IL | 747 | 747 | 0.1% | 100.0% |
| Orangeville | IL | 739 | 739 | 0.1% | 100.0% |
| Piper City | IL | 737 | 737 | 0.1% | 100.0% |
| Tonica | IL | 736 | 736 | 0.1% | 100.0% |
| Braceville | IL | 722 | 722 | 0.1% | 100.0% |
| Ashkum | IL | 716 | 716 | 0.1% | 100.0% |
| South Wilmington | IL | 715 | 715 | 0.1% | 100.0% |
| Tiskilwa | IL | 714 | 714 | 0.1% | 100.0% |
| Lost Nation | IL | 708 | 708 | 0.1% | 100.0% |
| Union | IL | 690 | 690 | 0.1% | 100.0% |
| Elizabeth | IL | 688 | 688 | 0.1% | 100.0% |
| Tampico | IL | 675 | 675 | 0.0% | 100.0% |
| La Moille | IL | 670 | 670 | 0.0% | 100.0% |
| Aroma Park | IL | 653 | 653 | 0.0% | 100.0% |
| Cedarville | IL | 645 | 645 | 0.0% | 100.0% |
| Dalzell | IL | 643 | 643 | 0.0% | 100.0% |
| Godley | IL | 634 | 634 | 0.0% | 100.0% |
| Hopkins Park | IL | 625 | 625 | 0.0% | 100.0% |
| Millington | IL | 624 | 624 | 0.0% | 100.0% |
| Creston | IL | 618 | 618 | 0.0% | 100.0% |
| Holiday Hills | IL | 606 | 606 | 0.0% | 100.0% |
| Danforth | IL | 570 | 570 | 0.0% | 100.0% |
| Davis | IL | 568 | 568 | 0.0% | 100.0% |
| Como | IL | 567 | 567 | 0.0% | 100.0% |
| Apple Canyon Lake | IL | 558 | 558 | 0.0% | 100.0% |
| Dayton | IL | 537 | 537 | 0.0% | 100.0% |
| Lyndon | IL | 529 | 529 | 0.0% | 100.0% |
| Crescent City | IL | 528 | 528 | 0.0% | 100.0% |
| Grand Ridge | IL | 508 | 508 | 0.0% | 100.0% |
| Mark | IL | 507 | 507 | 0.0% | 100.0% |
| Cullom | IL | 506 | 506 | 0.0% | 100.0% |
| Dakota | IL | 479 | 479 | 0.0% | 100.0% |
| Chadwick | IL | 476 | 476 | 0.0% | 100.0% |
| Ohio | IL | 458 | 458 | 0.0% | 100.0% |
| Sun River Terrace | IL | 450 | 450 | 0.0% | 100.0% |
| Cornell | IL | 441 | 441 | 0.0% | 100.0% |
| Lostant | IL | 430 | 430 | 0.0% | 100.0% |
| Grand Detour | IL | 429 | 429 | 0.0% | 100.0% |
| Cherry | IL | 420 | 420 | 0.0% | 100.0% |
| Leaf River | IL | 419 | 419 | 0.0% | 100.0% |
| Scales Mound | IL | 419 | 419 | 0.0% | 100.0% |
| German Valley | IL | 417 | 417 | 0.0% | 100.0% |
| Naplate | IL | 414 | 414 | 0.0% | 100.0% |
| Saunemin | IL | 406 | 406 | 0.0% | 100.0% |
| Monroe Center | IL | 406 | 406 | 0.0% | 100.0% |
| Carbon Hill | IL | 383 | 383 | 0.0% | 100.0% |
| Sublette | IL | 372 | 372 | 0.0% | 100.0% |
| Garden Prairie | IL | 352 | 352 | 0.0% | 100.0% |
| Bonfield | IL | 342 | 342 | 0.0% | 100.0% |
| Apple River | IL | 333 | 333 | 0.0% | 100.0% |
| Martinton | IL | 321 | 321 | 0.0% | 100.0% |
| Greenwood | IL | 316 | 316 | 0.0% | 100.0% |
| Seatonville | IL | 312 | 312 | 0.0% | 100.0% |
| Malden | IL | 310 | 310 | 0.0% | 100.0% |
| Ransom | IL | 309 | 309 | 0.0% | 100.0% |
| Lee | IL | 308 | 308 | 0.0% | 100.0% |
| Chemung | IL | 308 | 308 | 0.0% | 100.0% |
| Beaverville | IL | 292 | 292 | 0.0% | 100.0% |
| Manlius | IL | 290 | 290 | 0.0% | 100.0% |
| Rock City | IL | 287 | 287 | 0.0% | 100.0% |
| Millbrook | IL | 282 | 282 | 0.0% | 100.0% |
| Bureau Junction | IL | 278 | 278 | 0.0% | 100.0% |
| Lisbon | IL | 274 | 274 | 0.0% | 100.0% |
| McNabb | IL | 274 | 274 | 0.0% | 100.0% |
| Winslow | IL | 270 | 270 | 0.0% | 100.0% |
| Compton | IL | 266 | 266 | 0.0% | 100.0% |
| Cedar Point | IL | 261 | 261 | 0.0% | 100.0% |
| Rutland | IL | 255 | 255 | 0.0% | 100.0% |
| Magnolia | IL | 254 | 254 | 0.0% | 100.0% |
| Donovan | IL | 238 | 238 | 0.0% | 100.0% |
| Buckingham | IL | 238 | 238 | 0.0% | 100.0% |
| Woodland | IL | 237 | 237 | 0.0% | 100.0% |
| Cabery | IL | 233 | 233 | 0.0% | 100.0% |
| Kangley | IL | 229 | 229 | 0.0% | 100.0% |
| Steward | IL | 223 | 223 | 0.0% | 100.0% |
| Standard | IL | 222 | 222 | 0.0% | 100.0% |
| Troy Grove | IL | 222 | 222 | 0.0% | 100.0% |
| Plattville | IL | 221 | 221 | 0.0% | 100.0% |
| Sammons Point | IL | 215 | 215 | 0.0% | 100.0% |
| Verona | IL | 207 | 207 | 0.0% | 100.0% |
| Menominee | IL | 206 | 206 | 0.0% | 100.0% |
| Thawville | IL | 205 | 0 | 0.0% | 0.0% |
| Long Point | IL | 199 | 199 | 0.0% | 100.0% |
| Reddick | IL | 195 | 195 | 0.0% | 100.0% |
| Wellington | IL | 195 | 195 | 0.0% | 100.0% |
| Caledonia | IL | 182 | 182 | 0.0% | 100.0% |
| Kempton | IL | 177 | 177 | 0.0% | 100.0% |
| Hooppole | IL | 173 | 173 | 0.0% | 100.0% |
| Arlington | IL | 165 | 165 | 0.0% | 100.0% |
| Coleta | IL | 161 | 161 | 0.0% | 100.0% |
| Dana | IL | 157 | 157 | 0.0% | 100.0% |
| Campus | IL | 140 | 140 | 0.0% | 100.0% |
| Dover | IL | 133 | 133 | 0.0% | 100.0% |
| Iroquois | IL | 131 | 131 | 0.0% | 100.0% |
| Papineau | IL | 130 | 130 | 0.0% | 100.0% |
| West Brooklyn | IL | 128 | 128 | 0.0% | 100.0% |
| Nelson | IL | 125 | 125 | 0.0% | 100.0% |
| Symerton | IL | 124 | 124 | 0.0% | 100.0% |
| Ridott | IL | 123 | 123 | 0.0% | 100.0% |
| Leonore | IL | 121 | 121 | 0.0% | 100.0% |
| Harmon | IL | 117 | 117 | 0.0% | 100.0% |
| Nora | IL | 110 | 110 | 0.0% | 100.0% |
| Strawn | IL | 102 | 102 | 0.0% | 100.0% |
| Emington | IL | 99 | 99 | 0.0% | 100.0% |
| Kinsman | IL | 87 | 87 | 0.0% | 100.0% |
| East Brooklyn | IL | 79 | 79 | 0.0% | 100.0% |
| Adeline | IL | 75 | 75 | 0.0% | 100.0% |
| New Bedford | IL | 75 | 75 | 0.0% | 100.0% |
| Irwin | IL | 67 | 67 | 0.0% | 100.0% |
| Union Hill | IL | 52 | 52 | 0.0% | 100.0% |
| Hollowayville | IL | 44 | 44 | 0.0% | 100.0% |
| Deer Grove | IL | 39 | 39 | 0.0% | 100.0% |
City population is shown in full; each city's share inside 779 is measured from Census tract centroids.
What counties does area code 779 cover?
| County | State | Population in 779 | % of area-code footprint | % of County |
|---|---|---|---|---|
| Will County | IL | 451,500 | 27% | 65% |
| Winnebago County | IL | 285,350 | 17% | 100% |
| McHenry County | IL | 185,107 | 11% | 60% |
| LaSalle County | IL | 109,658 | 6% | 100% |
| Kankakee County | IL | 107,502 | 6% | 100% |
| DeKalb County | IL | 100,420 | 6% | 100% |
| Boone County | IL | 53,448 | 3% | 100% |
| Grundy County | IL | 52,533 | 3% | 100% |
| Ogle County | IL | 51,788 | 3% | 100% |
| Whiteside County | IL | 48,648 | 3% | 87% |
| Stephenson County | IL | 44,630 | 3% | 100% |
| Livingston County | IL | 35,815 | 2% | 100% |
| Lee County | IL | 34,145 | 2% | 100% |
| Bureau County | IL | 30,529 | 2% | 92% |
| Iroquois County | IL | 24,325 | 1% | 90% |
| Jo Daviess County | IL | 22,035 | 1% | 100% |
| Kendall County | IL | 19,939 | 1% | 15% |
| Carroll County | IL | 15,702 | 1% | 100% |
| Cook County | IL | 10,072 | 1% | 0% |
| Putnam County | IL | 5,637 | 0% | 100% |
| McLean County | IL | 4,981 | 0% | 3% |
| Marshall County | IL | 2,046 | 0% | 17% |
| Ford County | IL | 1,745 | 0% | 13% |
Sources:
- 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 779 been reported for unwanted calls?
Yes – 603 FTC complaints, May 29 – Oct 1, 2026.
- 67% robocalls
- ↑ 67% vs prior period
- FTC data, retrieved 2026-10-05
Most-reported subjects
- Other40%244
- Calls pretending to be government, businesses, or family and friends24%146
- Reducing your debt (credit cards, mortgage, student loans)16%96
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 779?
27% assigned to a telco
- 79% Landline
- 21% Wireless
- 0% Unknown
of 273 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (779)200- | Wireless | Verizon Wireless |
| (779)201- | Wireless | Verizon Wireless |
| (779)202- | Landline | Teleport Communications America |
| (779)203- | Wireless | Sprint Spectrum |
| (779)204- | Landline | Onvoy |
| (779)205- | Wireless | New Cingular Wireless Pcs |
| (779)206- | Wireless | Verizon Wireless |
| (779)207- | Wireless | Verizon Wireless |
| (779)208- | Wireless | Verizon Wireless |
| (779)209- | Landline | Peerless Network Of Illinois |
| (779)210- | Landline | At&T |
| (779)212- | Landline | Nuso |
| (779)213- | Landline | Peerless Network Of Illinois |
| (779)214- | Landline | Mediacom Telephony Of Illinois |
| (779)215- | Landline | Ip Horizon |
| (779)216- | Landline | Peerless Network Of Illinois |
| (779)218- | Landline | Peerless Network Of Illinois |
| (779)220- | Landline | Bandwidth.Com Clec |
| (779)221- | Landline | Onvoy |
| (779)222- | Landline | Telnyx |
| (779)223- | Landline | Onvoy |
| (779)225- | Wireless | Verizon Wireless |
| (779)226- | Landline | Comcast Ip Phone |
| (779)227- | Landline | Metropcs |
| (779)228- | Landline | Peerless Network Of Illinois |
| (779)229- | Landline | Comcast Ip Phone |
| (779)230- | Wireless | New Cingular Wireless Pcs |
| (779)231- | Landline | Mcimetro Access Transmission Services |
| (779)232- | Landline | Teleport Communications America |
| (779)233- | Wireless | Sprint Spectrum |
| (779)234- | Landline | Bandwidth.Com Clec |
| (779)235- | Landline | At&T |
| (779)236- | Wireless | Sprint Spectrum |
| (779)237- | Wireless | Verizon Wireless |
| (779)238- | Wireless | T-Mobile Usa |
| (779)239- | Wireless | New Cingular Wireless Pcs |
| (779)240- | Wireless | T-Mobile Usa |
| (779)241- | Wireless | T-Mobile Usa |
| (779)242- | Wireless | New Cingular Wireless Pcs |
| (779)243- | Wireless | New Cingular Wireless Pcs |
| (779)244- | Wireless | New Cingular Wireless Pcs |
| (779)245- | Wireless | T-Mobile Usa |
| (779)246- | Landline | Teleport Communications America |
| (779)247- | Wireless | Verizon Wireless |
| (779)248- | Landline | Centurylink Communications |
| (779)249- | Wireless | Verizon Wireless |
| (779)250- | Wireless | T-Mobile Usa |
| (779)251- | Landline | Centurylink Communications |
| (779)252- | Landline | Onvoy |
| (779)253- | Landline | Telnyx |
| (779)254- | Landline | Comcast Ip Phone |
| (779)255- | Landline | Onvoy |
| (779)256- | Landline | Vonage America |
| (779)257- | Landline | Bandwidth.Com Clec |
| (779)258- | Landline | Onvoy |
| (779)259- | Landline | Onvoy |
| (779)260- | Wireless | New Cingular Wireless Pcs |
| (779)261- | Landline | Onvoy Spectrum |
| (779)262- | Landline | Onvoy |
| (779)263- | Landline | Teleport Communications America |
| (779)264- | Wireless | New Cingular Wireless Pcs |
| (779)265- | Landline | Level 3 Communications |
| (779)266- | Landline | Telnyx |
| (779)267- | Wireless | New Cingular Wireless Pcs |
| (779)268- | Landline | Teleport Communications America |
| (779)269- | Landline | Mcimetro Access Transmission Services |
| (779)270- | Landline | Mcimetro Access Transmission Services |
| (779)271- | Wireless | Csc Wireless |
| (779)272- | Landline | Peerless Network Of Illinois |
| (779)273- | Landline | Onvoy |
| (779)274- | Wireless | Csc Wireless |
| (779)275- | Landline | Stratus Networks |
| (779)276- | Landline | Stratus Networks |
| (779)277- | Landline | Telnyx |
| (779)278- | Landline | Stratus Networks |
| (779)279- | Wireless | New Cingular Wireless Pcs |
| (779)280- | Landline | Stratus Networks |
| (779)281- | Landline | Radiantiq |
| (779)282- | Landline | Stratus Networks |
| (779)283- | Landline | Stratus Networks |
| (779)284- | Landline | Stratus Networks |
| (779)285- | Landline | Stratus Networks |
| (779)286- | Landline | Stratus Networks |
| (779)287- | Landline | Onvoy |
| (779)288- | Landline | Onvoy |
| (779)289- | Landline | Nuso |
| (779)290- | Landline | Stratus Networks |
| (779)291- | Landline | Stratus Networks |
| (779)292- | Landline | Stratus Networks |
| (779)293- | Landline | Stratus Networks |
| (779)294- | Landline | Stratus Networks |
| (779)295- | Landline | Stratus Networks |
| (779)296- | Landline | Stratus Networks |
| (779)297- | Landline | Ip Horizon |
| (779)298- | Landline | Ip Horizon |
| (779)299- | Landline | Stratus Networks |
| (779)300- | Wireless | Sprint Spectrum |
| (779)301- | Wireless | T-Mobile Usa |
| (779)302- | Wireless | Verizon Wireless |
| (779)303- | Landline | Telnyx |
| (779)304- | Landline | Stratus Networks |
| (779)305- | Landline | Stratus Networks |
| (779)306- | Landline | Stratus Networks |
| (779)307- | Landline | Stratus Networks |
| (779)308- | Landline | Stratus Networks |
| (779)310- | Landline | Stratus Networks |
| (779)313- | Landline | Stratus Networks |
| (779)314- | Landline | Stratus Networks |
| (779)315- | Landline | Stratus Networks |
| (779)316- | Landline | Stratus Networks |
| (779)317- | Landline | Stratus Networks |
| (779)318- | Landline | Stratus Networks |
| (779)319- | Landline | Stratus Networks |
| (779)320- | Landline | Stratus Networks |
| (779)321- | Landline | Stratus Networks |
| (779)322- | Landline | Stratus Networks |
| (779)323- | Landline | Ip Horizon |
| (779)324- | Landline | Bandwidth.Com Clec |
| (779)325- | Landline | Stratus Networks |
| (779)326- | Landline | Stratus Networks |
| (779)327- | Landline | Onvoy |
| (779)328- | Landline | Onvoy |
| (779)329- | Wireless | T-Mobile Usa |
| (779)330- | Landline | Nuso |
| (779)332- | Landline | Onvoy |
| (779)333- | Landline | Onvoy |
| (779)334- | Landline | Level 3 Communications |
| (779)335- | Landline | Telnyx |
| (779)336- | Landline | Fractel |
| (779)337- | Landline | Onvoy |
| (779)338- | Landline | Onvoy |
| (779)339- | Wireless | New Cingular Wireless Pcs |
| (779)340- | Landline | Bandwidth.Com Clec |
| (779)341- | Wireless | New Cingular Wireless Pcs |
| (779)342- | Landline | Onvoy |
| (779)343- | Landline | Onvoy |
| (779)344- | Landline | Onvoy |
| (779)345- | Landline | Fractel |
| (779)346- | Landline | Fractel |
| (779)347- | Landline | Onvoy |
| (779)348- | Landline | Teleport Communications America |
| (779)349- | Wireless | T-Mobile Usa |
| (779)350- | Wireless | New Cingular Wireless Pcs |
| (779)351- | Landline | Mcleodusa Telecommunication Services |
| (779)352- | Landline | Twilio International |
| (779)353- | Landline | Level 3 Communications |
| (779)354- | Landline | Level 3 Communications |
| (779)355- | Landline | Level 3 Communications |
| (779)356- | Landline | Fractel |
| (779)357- | Wireless | New Cingular Wireless Pcs |
| (779)358- | Landline | Bandwidth.Com Clec |
| (779)359- | Landline | Nuso |
| (779)360- | Wireless | New Cingular Wireless Pcs |
| (779)361- | Wireless | Verizon Wireless |
| (779)362- | Landline | Onvoy |
| (779)363- | Landline | Nuso |
| (779)364- | Landline | Nuso |
| (779)365- | Landline | Nuso |
| (779)366- | Landline | Hd Carrier |
| (779)367- | Landline | Nuso |
| (779)368- | Landline | Comcast Ip Phone |
| (779)369- | Wireless | New Cingular Wireless Pcs |
| (779)377- | Landline | Skyetel |
| (779)379- | Wireless | New Cingular Wireless Pcs |
| (779)382- | Landline | Charter Fiberlink - Illinois |
| (779)389- | Landline | Radiantiq |
| (779)399- | Landline | Fractel |
| (779)400- | Landline | Ymax Communications |
| (779)410- | Landline | Radiantiq |
| (779)423- | Landline | Comcast Ip Phone |
| (779)426- | Landline | Ton80 Communications |
| (779)429- | Landline | At&T |
| (779)432- | Landline | Mtco Communications |
| (779)435- | Landline | Illinois Bell Tel Co |
| (779)444- | Landline | Bandwidth.Com Clec |
| (779)445- | Landline | Metropcs |
| (779)456- | Wireless | T-Mobile Usa |
| (779)463- | Landline | Ton80 Communications |
| (779)465- | Landline | Fractel |
| (779)466- | Landline | Ton80 Communications |
| (779)475- | Landline | Charter Fiberlink - Illinois |
| (779)479- | Landline | Radiantiq |
| (779)499- | Landline | Skyetel |
| (779)500- | Landline | Teleport Communications America |
| (779)513- | Landline | Centurylink Communications |
| (779)529- | Landline | Bandwidth.Com Clec |
| (779)537- | Wireless | Verizon Wireless |
| (779)545- | Landline | Comcast Ip Phone |
| (779)548- | Landline | Bandwidth.Com Clec |
| (779)552- | Landline | Digital Network Access Communications |
| (779)577- | Landline | Skyetel |
| (779)579- | Landline | Radiantiq |
| (779)599- | Landline | Fractel |
| (779)600- | Landline | Fractel |
| (779)601- | Landline | Bandwidth.Com Clec |
| (779)624- | Landline | Ton80 Communications |
| (779)625- | Landline | Ton80 Communications |
| (779)639- | Landline | Ton80 Communications |
| (779)666- | Landline | Onvoy |
| (779)675- | Landline | Ton80 Communications |
| (779)677- | Landline | Fractel |
| (779)678- | Landline | Fractel |
| (779)679- | Landline | Radiantiq |
| (779)696- | Landline | Mcleodusa Telecommunication Services |
| (779)699- | Landline | Fractel |
| (779)701- | Landline | Bandwidth.Com Clec |
| (779)702- | Wireless | T-Mobile Usa |
| (779)703- | Wireless | T-Mobile Usa |
| (779)704- | Landline | Mcimetro Access Transmission Services |
| (779)706- | Wireless | Verizon Wireless |
| (779)707- | Landline | Bandwidth.Com Clec |
| (779)710- | Landline | Radiantiq |
| (779)713- | Wireless | T-Mobile Usa |
| (779)717- | Landline | Peerless Network Of Illinois |
| (779)722- | Landline | Fractel |
| (779)729- | Landline | Radiantiq |
| (779)732- | Landline | Fractel |
| (779)739- | Landline | Twilio International |
| (779)746- | Landline | Ton80 Communications |
| (779)749- | Landline | Radiantiq |
| (779)758- | Landline | Fractel |
| (779)759- | Landline | Radiantiq |
| (779)766- | Landline | Fractel |
| (779)770- | Wireless | New Cingular Wireless Pcs |
| (779)771- | Wireless | New Cingular Wireless Pcs |
| (779)772- | Wireless | New Cingular Wireless Pcs |
| (779)774- | Landline | Onvoy |
| (779)775- | Landline | Skyetel |
| (779)777- | Wireless | New Cingular Wireless Pcs |
| (779)778- | Landline | Onvoy |
| (779)783- | Landline | Ton80 Communications |
| (779)788- | Landline | Fractel |
| (779)789- | Landline | Radiantiq |
| (779)797- | Landline | Terra Nova Telecom |
| (779)799- | Landline | Fractel |
| (779)800- | Landline | Onvoy |
| (779)801- | Landline | Teleport Communications America |
| (779)803- | Landline | Bandwidth.Com Clec |
| (779)804- | Landline | Mcimetro Access Transmission Services |
| (779)809- | Landline | Metropcs |
| (779)832- | Landline | Ton80 Communications |
| (779)837- | Landline | Ton80 Communications |
| (779)855- | Landline | Terra Nova Telecom |
| (779)861- | Wireless | Verizon Wireless |
| (779)867- | Landline | Commio |
| (779)875- | Wireless | Sprint Spectrum |
| (779)877- | Landline | Fractel |
| (779)879- | Landline | Radiantiq |
| (779)888- | Landline | Onvoy |
| (779)895- | Landline | Twilio International |
| (779)899- | Landline | Fractel |
| (779)900- | Landline | Fractel |
| (779)901- | Landline | Bandwidth.Com Clec |
| (779)902- | Landline | Onvoy Spectrum |
| (779)903- | Landline | Onvoy |
| (779)904- | Landline | Onvoy Spectrum |
| (779)910- | Landline | Radiantiq |
| (779)915- | Wireless | T-Mobile Usa |
| (779)922- | Landline | Fractel |
| (779)927- | Landline | Ton80 Communications |
| (779)931- | Landline | Frontier North |
| (779)933- | Landline | Fractel |
| (779)939- | Wireless | New Cingular Wireless Pcs |
| (779)946- | Landline | Fractel |
| (779)970- | Landline | Wavenation |
| (779)977- | Landline | Fractel |
| (779)978- | Wireless | United States Cellular |
| (779)979- | Landline | Radiantiq |
| (779)990- | Landline | Commio |
| (779)991- | Landline | Onvoy |
| (779)994- | Landline | Peerless Network Of Illinois |
| (779)997- | Landline | Ton80 Communications |
| (779)999- | Landline | Peerless Network Of Illinois |
| No prefixes match “”. | ||
Frequently Asked Questions about the 779 Area Code
Who called me from a 779 number?
21% of its assigned prefixes are wireless. Largest holders: Stratus Networks, Onvoy, and Fractel.
Is 779 a scam area code?
Carriers hold 27% of its possible prefixes.
Why do I keep getting calls from the 779 area code?
Complaints rose 67% on the prior period.
Should I answer an unknown 779 number?
67% of its FTC complaints were robocalls. Its most-reported specific subject was "Calls pretending to be government, businesses, or family and friends", at 24%.
How do I block calls from the 779 area code?
Blocking 779 still lets 815 numbers through.
Where is area code 779?
779 covers 275 cities and 1,697,555 residents in 23 Illinois counties, led by Will, Winnebago, and McHenry.
When did area code 779 go into service?
779 went into service on March 17, 2007. It was added to overlay 815.
Is 779 a real area code?
Yes: 39 carriers hold its prefixes, serving 275 cities in Will, Winnebago, McHenry, and 20 other counties.
What timezone is the 779 area code in?
779 is on Central Time (CT).
How do I call a 779 number from abroad?
Dial +1 779, then the number.