The 872 area code is located in the state of Illinois, and according to Intelius data, covers roughly 23,911 phone numbers and 30,070 listings across 274 prefixes.
This is a General Purpose Code, in service since November 7, 2009.
Area code 872 is part of an overlay complex shared with:
Area code 872 was split from area code 312.
Local and long-distance calls within area code 872 both require 1 plus 10 digits dialing.
Have you received a call from a number with a 872 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.
| County Population (2025) | 5,194,625 |
|---|---|
| Principal Places |
|
| Zips |
|
Search by First Name
Search by Last Name