Rockton, IL Area Codes
Rockton, Illinois (population 7,870) uses area codes 815 and 779.
Carriers with Rockton numbers
4 prefixes are assigned to the Rockton exchange: 0% mobile, 50% VoIP and cable, 50% landline.
| Carrier | Prefixes |
|---|---|
| Aero North Communications | 1 |
| Frontier | 1 |
| Lumen (Level 3) | 1 |
| Onvoy (Sinch) | 1 |
Area codes used in Rockton
| Area code | Prefixes serving Rockton | Main carriers in this code |
|---|---|---|
| 815 | 3 | Frontier, AT&T (Illinois Bell), Lumen (Level 3) |
| 779 | 1 | Onvoy (Sinch), AT&T Mobility, Stratus Networks |
Rockton phone number prefixes
Numbers starting with these first six digits were originally assigned to the Rockton exchange.
815-619Aero North Communications815-624Frontier815-957Lumen (Level 3)779-789Onvoy (Sinch)
Nearby cities in area code 815
- Joliet
- Rockford
- Plainfield
- Crystal Lake
- DeKalb
- McHenry
- New Lenox
- Lockport
- Woodstock
- Belvidere
- Homer Glen
- Loves Park
Questions
- What is the area code for Rockton, IL?
- Rockton uses 2 area codes: 815 and 779. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Rockton in?
- Rockton is in the Central time zone.