Local Calling Guide
Area code/prefix search
NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]
NXX: 977
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
720-977 | A | Denver | CO | NGLNCOMADS0 | 9636 QWEST CORPORATION | 656 |
Last updated: Fri, 22 Mar 2024 03:02:44 UTC
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