Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 203 [Rate centres in NPA 203] [Dial plan for NPA 203]

NXX: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
203-501 A Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920      
203-501 0 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2010-09-06   
203-501 1 Danbury CT HRFRCT0379Z  199F BANDWIDTH.COM CLEC, LLC - CT 920   2010-10-15   
203-501 2 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 3 Danbury CT HRFRCTASBMD  6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2011-02-03   
203-501 4 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 5 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 6 Danbury CT BLFDCTAP2MD  5562 METROPCS, INC. 920   2011-03-02   
203-501 7 Danbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-03-10   
203-501 8 Danbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-03-10   
203-501 9 Danbury CT MDTWCTNIGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 920   2011-03-10   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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