Local Calling Guide
Area code/prefix search
NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]
NXX: 316
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
331-316 | A | Naperville | IL | 939H COMMIO, LLC | 358 | 2024-03-09 | |||
331-316 | 0 | Naperville | IL | 939H COMMIO, LLC | 358 | 2024-03-09 | |||
331-316 | 1 | Naperville | IL | 939H COMMIO, LLC | 358 | 2024-03-09 | |||
331-316 | 6 | Naperville | IL | 224C ONVOY, LLC | 358 | 2024-03-11 | |||
331-316 | 7 | Naperville | IL | 224C ONVOY, LLC | 358 | 2024-03-11 | |||
331-316 | 8 | Naperville | IL | 224C ONVOY, LLC | 358 | 2024-03-11 | |||
331-316 | 9 | Naperville | IL | 224C ONVOY, LLC | 358 | 2024-03-11 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.