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: 993

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-993 A Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
303-993 0 Denver CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-05-26   
303-993 1 Denver CO DNVRCO37DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2007-06-26   
303-993 2 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 3 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 4 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 5 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 6 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 7 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 8 Denver CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 9 Denver CO AURRCO20AMD  6567 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO 656   2007-11-05   

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

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