Local Calling Guide
Area code/prefix search
NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]
NXX: 354
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
303-354 | A | Denver | CO | DNVRCOMDDS0 | 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO | 656 |
Last updated: Wed, 20 Nov 2024 21:20:06 UTC
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