Local Calling Guide
Area code/prefix search
NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]
NXX: 443
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
307-443 | A | Cheyenne | WY | CHYNWYRF2MD | 939H COMMIO, LLC | 654 | |||
307-443 | 3 | Cheyenne | WY | CHYNWYRF2MD | 939H COMMIO, LLC | 654 | |||
307-443 | 4 | Cheyenne | WY | 624H ONVOY SPECTRUM, LLC | 654 | ||||
307-443 | 5 | Cheyenne | WY | 624H ONVOY SPECTRUM, LLC | 654 | ||||
307-443 | 6 | Cheyenne | WY | 624H ONVOY SPECTRUM, LLC | 654 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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