Wonder Lake, IL Area Codes
Wonder Lake, Illinois (population 5,593) uses area codes 779 and 815.
Carriers with Wonder Lake numbers
4 prefixes are assigned to the Wonder Lake exchange: 0% mobile, 25% VoIP and cable, 75% landline.
| Carrier | Prefixes |
|---|---|
| Frontier | 2 |
| Stratus Networks | 1 |
| Bandwidth | 1 |
Area codes used in Wonder Lake
| Area code | Prefixes serving Wonder Lake | Main carriers in this code |
|---|---|---|
| 779 | 2 | Onvoy (Sinch), AT&T Mobility, Stratus Networks |
| 815 | 2 | Frontier, AT&T (Illinois Bell), Lumen (Level 3) |
Wonder Lake phone number prefixes
Numbers starting with these first six digits were originally assigned to the Wonder Lake exchange.
779-291Stratus Networks779-444Bandwidth815-653Frontier815-728Frontier
Nearby cities in area code 779
- Joliet
- Rockford
- Plainfield
- Crystal Lake
- DeKalb
- McHenry
- New Lenox
- Lockport
- Woodstock
- Belvidere
- Homer Glen
- Loves Park
Questions
- What is the area code for Wonder Lake, IL?
- Wonder Lake uses 2 area codes: 779 and 815. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Wonder Lake in?
- Wonder Lake is in the Central time zone.