Local Calling Guide

Area code/prefix search

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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-421 7 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-05-18   
720-421 8 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-05-18   
720-421 9 Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656   2009-05-18   
720-422 A Denver CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
720-423 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-423 0 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 1 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 2 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 3 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 4 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-07-15   
720-423 5 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 6 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 7 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-423 8 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-07-15   
720-423 9 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-424 0 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 1 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 2 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 3 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 4 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 5 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 6 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 7 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 8 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-424 9 Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656   2004-06-15   
720-425 A Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656      
720-425 0 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
720-425 1 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
720-425 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-07   
720-425 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-28   
720-425 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-28   
720-425 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-07-28   
720-425 6 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-11   
720-425 7 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-09-22   
720-425 8 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-09-29   
720-425 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2008-08-11   
720-426 A Denver CO DNVRCOCHDS0  9636 QWEST CORPORATION 656      
720-426 0 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 1 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 2 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 3 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 4 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 5 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 6 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 7 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 8 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-426 9 Denver CO   9636 QWEST CORPORATION 656   2010-05-20   
720-427 A Denver CO DNVRCOII3MD  6529 T-MOBILE USA, INC. 656      
720-428 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      

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

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