Local Calling Guide
Area code/prefix search
NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]
NXX: 729
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
303-729 | A | Denver | CO | DNVRCO37DS0 | 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 656 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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