Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 303 [Rate centres in NPA 303] [Dial plan for NPA 303]

NXX: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-551 A Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-551 0 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-551 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
303-551 2 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-08   
303-551 3 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-08   
303-551 4 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-08   
303-551 5 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-10-08   
303-551 6 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-05-20   
303-551 7 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-05-20   
303-551 8 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-05-20   
303-551 9 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-05-20   

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

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