Carterville, IL Area Codes
Carterville, Illinois (population 5,839) uses area codes 730 and 618.
Carterville has no telephone exchange of its own in NANPA records; it is served by the Herrin exchange about 6.2 km away.
Carriers with Carterville numbers
25 prefixes are assigned to the Herrin exchange: 76% mobile, 8% VoIP and cable, 16% landline.
| Carrier | Prefixes |
|---|---|
| AT&T Mobility | 19 |
| Frontier | 2 |
| Onvoy (Sinch) | 1 |
| Novacom | 1 |
| Twilio | 1 |
| Nuso | 1 |
Area codes used in Carterville
| Area code | Prefixes serving Carterville | Main carriers in this code |
|---|---|---|
| 730 | 13 | AT&T Mobility, Onvoy (Sinch), AT&T (Teleport) |
| 618 | 12 | Frontier, AT&T (Illinois Bell), AT&T Mobility |
Carterville phone number prefixes
Numbers starting with these first six digits were originally assigned to the Herrin exchange.
730-208AT&T Mobility730-229AT&T Mobility730-241AT&T Mobility730-252Onvoy (Sinch)730-256AT&T Mobility730-260AT&T Mobility730-261AT&T Mobility730-271AT&T Mobility730-284AT&T Mobility730-288AT&T Mobility730-289AT&T Mobility730-290AT&T Mobility730-301AT&T Mobility618-333Novacom618-727AT&T Mobility618-810AT&T Mobility618-849AT&T Mobility618-850Twilio618-913AT&T Mobility618-916Nuso618-925AT&T Mobility618-942Frontier618-951AT&T Mobility618-957AT&T Mobility618-988Frontier
Nearby cities in area code 730
- Belleville
- O'Fallon
- Granite City
- Alton
- Collinsville
- Carbondale
- East St. Louis
- Godfrey
- Marion
- Cahokia Heights
- Fairview Heights
- Shiloh
Questions
- What is the area code for Carterville, IL?
- Carterville uses 2 area codes: 730 and 618. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Carterville in?
- Carterville is in the Central time zone.