New Lenox, IL Area Codes
New Lenox, Illinois (population 28,893) uses area codes 815 and 779.
Carriers with New Lenox numbers
10 prefixes are assigned to the New Lenox exchange: 0% mobile, 30% VoIP and cable, 70% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Illinois Bell) | 4 |
| First Communications | 2 |
| Peerless Network | 1 |
| Stratus Networks | 1 |
| Onvoy (Sinch) | 1 |
| Bandwidth | 1 |
Area codes used in New Lenox
| Area code | Prefixes serving New Lenox | Main carriers in this code |
|---|---|---|
| 815 | 7 | Frontier, AT&T (Illinois Bell), Lumen (Level 3) |
| 779 | 3 | Onvoy (Sinch), AT&T Mobility, Stratus Networks |
New Lenox phone number prefixes
Numbers starting with these first six digits were originally assigned to the New Lenox exchange.
815-215First Communications815-300AT&T (Illinois Bell)815-320Peerless Network815-462AT&T (Illinois Bell)815-463AT&T (Illinois Bell)815-485AT&T (Illinois Bell)815-717First Communications779-293Stratus Networks779-391Onvoy (Sinch)779-803Bandwidth
Nearby cities in area code 815
- Joliet
- Rockford
- Plainfield
- Crystal Lake
- DeKalb
- McHenry
- Lockport
- Woodstock
- Belvidere
- Homer Glen
- Loves Park
- Kankakee
Questions
- What is the area code for New Lenox, IL?
- New Lenox 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 New Lenox in?
- New Lenox is in the Central time zone.