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: 453

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-453 A Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-453 0 Longmont CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2016-07-01   
720-453 1 Longmont CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2017-01-19   
720-453 2 Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2016-07-14   
720-453 3 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2016-09-26   
720-453 4 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 5 Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2016-09-26   
720-453 6 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 7 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 8 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2016-08-13   
720-453 9 Longmont CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2016-08-13   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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