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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-204 A Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656      
720-204 0 Longmont CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2008-12-06   
720-204 1 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 2 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 3 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 4 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 5 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2005-07-30   
720-204 6 Longmont CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2011-01-18   
720-204 7 Longmont CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2010-05-02   
720-204 8 Longmont CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2010-03-19   
720-204 9 Longmont CO DNVRCOSOFMD  624H ONVOY SPECTRUM, LLC 656   2021-07-19   

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

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