Local Calling Guide
Area code/prefix search
NPA: 331 [Rate centres in NPA 331] [Dial plan for NPA 331]
NXX: 325
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
331-325 | A | Lemont | IL | 624H ONVOY SPECTRUM, LLC | 358 | 2024-05-24 | |||
331-325 | 0 | Lemont | IL | 624H ONVOY SPECTRUM, LLC | 358 | 2024-05-24 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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