Cities in area code 872
Which places use area code 872? 11 rate centers in Illinois, the biggest being Chicago Zone 01, Chicago Zone 03, Chicago Zone 04. Data below is NANPA's official prefix-to-rate-center mapping.
By numbering footprint the leading localities are Chicago Zone 01, Chicago Zone 03, Chicago Zone 04, Chicago Zone 08, Chicago Zone 07, Chicago Zone 02, Chicago Zone 06 and Chicago Zone 10, and 2 smaller communities down to single-prefix localities. Prefix counts track lines in service, so the ranking is a reasonable proxy for where the code's subscribers actually are.
11 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.
11 of these localities are also reachable through other area codes — overlay territory where the same place answers to several codes.
All of the code's territory keeps Central time.
Remember that people keep numbers when they relocate, so a 872 number is a where-it-was-issued fact, not a where-they-are fact.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Chicago Zone 01 | 38 | Chicago-Naperville-Elgin, IL-IN | 312, 630, 708, 773, 847, 872 |
| Chicago Zone 03 | 34 | Chicago-Naperville-Elgin, IL-IN | 708, 773, 872 |
| Chicago Zone 04 | 32 | Chicago-Naperville-Elgin, IL-IN | 312, 773, 872 |
| Chicago Zone 08 | 30 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
| Chicago Zone 07 | 28 | Chicago-Naperville-Elgin, IL-IN | 312, 773, 872 |
| Chicago Zone 02 | 27 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
| Chicago Zone 06 | 23 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
| Chicago Zone 10 | 21 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
| Chicago Zone 09 | 20 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
| Chicago Zone 05 | 16 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
| Chicago Zone 11 | 3 | Chicago-Naperville-Elgin, IL-IN | 773, 872 |
FAQ
What is the biggest city in area code 872?
Chicago Zone 01 holds the most active prefixes (38), making it the code's largest numbering locality.
How many places does 872 cover?
11 rate centers in Illinois hold active 872 prefixes, from Chicago Zone 01 down to communities with a single prefix.
Does a 872 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.