Peru, IL Area Codes
Peru, Illinois (population 9,780) uses area codes 815 and 779.
Peru has no telephone exchange of its own in NANPA records; it is served by the LaSalle exchange about 4.3 km away.
Carriers with Peru numbers
13 prefixes are assigned to the LaSalle exchange: 23% mobile, 31% VoIP and cable, 46% landline.
| Carrier | Prefixes |
|---|---|
| AT&T (Illinois Bell) | 3 |
| Lumen (Level 3) | 2 |
| Verizon Wireless | 2 |
| Paetec Itel | 1 |
| Comcast (Xfinity) | 1 |
| Metropcs | 1 |
| T-Mobile | 1 |
| Bandwidth | 1 |
Area codes used in Peru
| Area code | Prefixes serving Peru | Main carriers in this code |
|---|---|---|
| 815 | 9 | Frontier, AT&T (Illinois Bell), Lumen (Level 3) |
| 779 | 4 | Onvoy (Sinch), AT&T Mobility, Stratus Networks |
Peru phone number prefixes
Numbers starting with these first six digits were originally assigned to the LaSalle exchange.
815-200Paetec Itel815-220AT&T (Illinois Bell)815-223AT&T (Illinois Bell)815-224AT&T (Illinois Bell)815-250Comcast (Xfinity)815-410Lumen (Level 3)815-579Metropcs815-712T-Mobile815-780Lumen (Level 3)779-201Verizon Wireless779-381Verizon Wireless779-601Bandwidth779-732Fractel
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 Peru, IL?
- Peru 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 Peru in?
- Peru is in the Central time zone.