847 Area CodeElgin, IL
Area code 847 covers Elgin and nearby communities in Illinois, in the Central Time (CT) zone, home to about 2 million people across 108 cities. It overlays 224, so the same region uses both and every local call needs all ten digits.
Where is area code 847?
Area code 847 serves part of Elgin, IL and the surrounding areas. It has a single overlay (224) that serves the same area.
Overview of the 847 Area Code
What is the 847 area code?
The 847 area code serves Elgin, Illinois, alongside other established area codes. When you see a 847 number, it indicates a local number within this geographic area.
Why was area code 847 created?
The 847 area code was introduced as an overlay to add numbers in Elgin once the existing area code 224 began to run out of available prefixes. It added a new supply of numbers without requiring current residents to change their existing digits.
Geographic Coverage of the 847 Area Code
The 847 area code serves Elgin and surrounding areas in Illinois. It operates within the Central Time (CT) time zone. It complements the coverage of area code 224. This area code covers several key cities, including:
- Elgin
- Waukegan
- Schaumburg
- Evanston
- Arlington Heights
- Palatine
Got a call from an 847 number? It came from Elgin, IL. Since 847 overlays with 224, every local call in the region needs all ten digits to land on the right line. Inside 847, Elgin holds about 6% of the population; the rest is split across 107 smaller cities.
Elgin Area Codes Overview
Elgin is served by multiple area codes, reflecting its telecommunications needs. The 847 area code operates alongside 224. Here are the area codes serving this region:
The introduction of the 847 area code helped prevent number exhaustion, ensuring a continuous supply of phone numbers across the geographic area.
What cities does area code 847 cover?
| City | State | Population | % of Area Code | % of City |
|---|---|---|---|---|
| Elgin | IL | 114,701 | 4% | 99% |
| Waukegan | IL | 88,570 | 2% | 100% |
| Schaumburg | IL | 77,099 | 2% | 97% |
| Evanston | IL | 76,006 | 1% | 99% |
| Arlington Heights | IL | 75,596 | 2% | 100% |
| Palatine | IL | 65,951 | 1% | 100% |
| Skokie | IL | 65,850 | 1% | 100% |
| Des Plaines | IL | 58,832 | 1% | 100% |
| Mount Prospect | IL | 55,460 | 1% | 100% |
| Hoffman Estates | IL | 50,920 | 2% | 98% |
* Sources: Population – U.S. Census Bureau PEP, Vintage 2024 (SUB-IP-EST2024-POP). Area code assignments – NANPA CO Code data. See our data methodology.
Has area code 847 been reported for unwanted calls?
Yes – 541 unwanted-call complaints were reported to the FTC for numbers showing a 847 area code (May 29 – Jul 2, 2026).
- 62% robocalls
- ↑ 16% vs prior period
Most-reported subjects
- Other44%240
- Dropped call or no message13%72
- Calls pretending to be government, businesses, or family and friends8%44
* 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. Source: FTC Do Not Call (DNC) Reported Calls Data, retrieved 2026-07-05.
Which prefixes and exchanges belong to area code 847?
78% assigned to a telco
- 75% Landline
- 25% Wireless
- 0% Unknown
| Prefix | Usage | Carrier |
|---|---|---|
| (847)201- | Landline | Level 3 Communications |
| (847)202- | Landline | Illinois Bell Tel Co |
| (847)203- | Wireless | Usa Mobility Wireless |
| (847)204- | Wireless | Verizon Wireless |
| (847)205- | Landline | Illinois Bell Tel Co |
| (847)206- | Landline | American Messaging Services |
| (847)207- | Wireless | New Cingular Wireless Pcs |
| (847)208- | Wireless | T-Mobile Usa |
| (847)209- | Wireless | New Cingular Wireless Pcs |
| (847)210- | Wireless | Usa Mobility Wireless |
Frequently Asked Questions about the 847 Area Code
Who called me from a 847 number?
A 847 number is assigned to Elgin, Illinois, so a call may come from there. But caller ID is easy to fake, and scammers often spoof a local 847 code to look nearby, so a 847 number doesn't prove the caller is local. Recently, 541 unwanted-call complaints were reported to the FTC for numbers showing the 847 code (62% flagged as robocalls). If you don't recognize the number, let it go to voicemail; a real caller will leave a message.
Is 847 a scam area code?
No area code is a scam on its own. 847 is a normal, officially assigned code for Elgin, Illinois. Spam callers spoof local codes to raise the odds you answer, so 847 on your caller ID says nothing about who is really calling. Recently, 541 unwanted-call complaints were reported to the FTC for numbers showing the 847 code (62% flagged as robocalls). Judge the call itself, not the area code.
Why do I keep getting calls from the 847 area code?
Repeated calls from different 847 numbers are usually spoofing: a robocaller rotates through 847 numbers so each call looks local and slips past simple blocks. Recently, 541 unwanted-call complaints were reported to the FTC for numbers showing the 847 code (62% flagged as robocalls). Blocking one number rarely helps; voicemail screening, your carrier spam filter, and the Do Not Call Registry work better.
Should I answer an unknown 847 number?
If you aren't expecting a 847 call, let it ring to voicemail. Legitimate callers leave a message, most robocallers hang up when no one picks up, and answering can mark your number as active and bring more calls.
How do I block calls from the 847 area code?
Block a single 847 number from your recent-calls list (iPhone: tap the number, then Block this Caller; Android: tap the number, then Block or report spam). To cut the volume, turn on Silence Unknown Callers on iPhone or spam protection on Android, enable spam filtering from your carrier, and register at DoNotCall.gov. Blocking the entire 847 code also stops legitimate local calls, so use it only as a last resort.
Where is area code 847?
Area code 847 covers Elgin and the surrounding area in Illinois, spanning 108 cities with about 2,020,276 residents. It shares its area with overlay code 224.
Is 847 a real area code?
Yes. 847 is an active code in the North American Numbering Plan, assigned by NANPA and in service for Elgin, Illinois. A real code can still show up on spoofed spam calls, so treat unknown 847 calls with normal caution.
What timezone is the 847 area code in?
The 847 area code is in the Central Time (CT). Because a number can be kept when someone moves or switches to VoIP, a specific 847 caller may not be in that zone.
How do I call a 847 number from abroad?
From outside the US, dial your country's exit code, then 1 (the US country code), then 847 and the seven-digit number. From a mobile phone you can usually just enter +1 847 followed by the number and let the phone add the exit code for you.