Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-877 A Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-877 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-07-18   
720-877 1 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-08-17   
720-877 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2022-07-18   
720-877 3 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-07-29   
720-877 4 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-07-29   
720-877 5 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-07-29   
720-877 6 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-07-29   
720-877 7 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-07-29   
720-877 8 Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2007-11-09   
720-877 9 Denver CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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