Local Calling Guide
Area code/prefix search
NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]
NXX: 274
NPA-NXX | BLOCK | Rate Centre | Region | Switch | OCN | LATA | LIR | Eff date | Disc date |
---|---|---|---|---|---|---|---|---|---|
720-274 | A | Denver | CO | DNVTCOUZAMD | 4788 MCLEODUSA TELECOMMUNICATION SERVICES, INC. - CO | 656 |
Last updated: Tue, 16 Apr 2024 01:38:01 UTC
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