Chatham, IL Area Codes
Chatham, Illinois (population 14,579) uses area codes 217 and 447.
Carriers with Chatham numbers
6 prefixes are assigned to the Chatham exchange: 33% mobile, 33% VoIP and cable, 33% landline.
| Carrier | Prefixes |
|---|---|
| AT&T Mobility | 2 |
| Frontier | 1 |
| Lumen (Level 3) | 1 |
| Commio | 1 |
| Ton80 Communications | 1 |
Area codes used in Chatham
| Area code | Prefixes serving Chatham | Main carriers in this code |
|---|---|---|
| 217 | 4 | Frontier, AT&T (Illinois Bell), AT&T Mobility |
| 447 | 2 | Onvoy (Sinch), AT&T Mobility, Fractel |
Chatham phone number prefixes
Numbers starting with these first six digits were originally assigned to the Chatham exchange.
217-319AT&T Mobility217-483Frontier217-697Lumen (Level 3)217-860AT&T Mobility447-231Commio447-466Ton80 Communications
Nearby cities in area code 217
Questions
- What is the area code for Chatham, IL?
- Chatham uses 2 area codes: 217 and 447. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Chatham in?
- Chatham is in the Central time zone.