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: 506

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
303-506 A Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 0 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 1 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 2 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 3 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 4 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656      
303-506 5 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2002-10-14   
303-506 6 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2002-10-14   
303-506 7 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2002-10-14   
303-506 8 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2003-02-02   
303-506 9 Fort Lupton CO DNVRCOMD4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 656   2003-02-02   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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