Local Calling Guide
Area code/prefix search
NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]
NXX: 540
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
307-540 | A | Jeffrey City | WY | CHYNWYVACM1 | 013B UNION TELEPHONE COMPANY | 654 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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