Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
303-736 8 Denver CO 318J COMCAST IP PHONE, LLC 656      
303-827 3 Longmont CO 318J COMCAST IP PHONE, LLC 656   2002-12-16   
303-834 8 Longmont CO 318J COMCAST IP PHONE, LLC 656   2007-02-09   
303-834 9 Longmont CO 318J COMCAST IP PHONE, LLC 656   2008-04-25   
303-835 2 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-02-16   
303-856 3 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-03-09   
303-856 7 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-03-09   
303-862 A Denver CO 318J COMCAST IP PHONE, LLC 656      
303-862 4 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-06-01   
303-862 5 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-06-01   
303-862 6 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-862 7 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-862 8 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-862 9 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-05-13   
303-867 1 Denver CO 318J COMCAST IP PHONE, LLC 656   2005-12-26   
303-867 4 Denver CO 318J COMCAST IP PHONE, LLC 656   2005-12-26   
303-867 6 Denver CO 318J COMCAST IP PHONE, LLC 656   2005-12-26   
303-867 9 Denver CO 318J COMCAST IP PHONE, LLC 656   2005-12-26   
303-872 3 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-02-09   
303-923 3 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-02-09   
303-927 6 Denver CO 318J COMCAST IP PHONE, LLC 656      
303-927 7 Denver CO 318J COMCAST IP PHONE, LLC 656      
303-942 0 Denver CO 318J COMCAST IP PHONE, LLC 656      
303-942 1 Denver CO 318J COMCAST IP PHONE, LLC 656      
303-945 A Denver CO 318J COMCAST IP PHONE, LLC 656      
303-945 4 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-06-01   
303-952 9 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-953 0 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-953 1 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-953 2 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-953 8 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-953 9 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-954 0 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-954 8 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-954 9 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-955 0 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 1 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 2 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 4 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 5 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 6 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-04   
303-955 7 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-07-31   
303-955 8 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-12-29   
303-963 5 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-01-13   
303-974 5 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-06-01   
303-975 6 Denver CO 318J COMCAST IP PHONE, LLC 656   2006-12-29   
303-993 2 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 3 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 4 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-07-16   
303-993 5 Denver CO 318J COMCAST IP PHONE, LLC 656   2007-07-16   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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