Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 214 [Rate centres in NPA 214] [Dial plan for NPA 214]

NXX: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
214-304 A Rockwall TX DLLSTXRIXYY  612K CSC VOICE, LLC 552      
214-304 0 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2014-06-29   
214-304 1 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2014-08-02   
214-304 2 Rockwall TX DLLSTX37XWZ  004F BANDWIDTH.COM CLEC, LLC - TX 552   2014-09-11   
214-304 3 Rockwall TX   612K CSC VOICE, LLC 552   2014-03-29   
214-304 4 Rockwall TX DLLSTX97DSU  951G INTEGRATED PATH COMMUNICATIONS, LLC - TX 552   2014-09-20   
214-304 5 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2014-09-25   
214-304 6 Rockwall TX RCSNTXHVBMD  516C AT&T CORP. 552   2014-09-16   
214-304 7 Rockwall TX DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2014-10-10   
214-304 8 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2014-10-10   
214-304 9 Rockwall TX DLLSTXJFDMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 552   2014-11-15   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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