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Spring Grove, IL Area Codes
Spring Grove, Illinois (population 5,526) uses area codes 815 and 779.
Carriers with Spring Grove numbers
3 prefixes are assigned to the Spring Grove exchange: 0% mobile, 33% VoIP and cable, 67% landline.
| Carrier | Prefixes |
|---|---|
| Comcast (Xfinity) | 1 |
| Frontier | 1 |
| Stratus Networks | 1 |
Area codes used in Spring Grove
| Area code | Prefixes serving Spring Grove | Main carriers in this code |
|---|---|---|
| 815 | 2 | Frontier, AT&T (Illinois Bell), Lumen (Level 3) |
| 779 | 1 | Onvoy (Sinch), AT&T Mobility, Stratus Networks |
Spring Grove phone number prefixes
Numbers starting with these first six digits were originally assigned to the Spring Grove exchange.
815-581Comcast (Xfinity)815-675Frontier779-286Stratus Networks
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 Spring Grove, IL?
- Spring Grove 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 Spring Grove in?
- Spring Grove is in the Central time zone.