Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-666 A Elgin TX AUSTTXGRDS3  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558      
737-666 0 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-02-20   
737-666 1 Elgin TX AUSTTX92SMD  7551 AUSTIN BESTLINE COMPANY - CLEC 558   2014-05-21   
737-666 2 Elgin TX AUSUTXNIGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2015-08-06   
737-666 3 Elgin TX AUSTTXGRX3Y  073H TELNYX LLC 558   2017-03-22   
737-666 4 Elgin TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558   2017-06-30   
737-666 5 Elgin TX AUSUTXHP1MD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558   2014-07-01   
737-666 6 Elgin TX AUSTTXGRDS3  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 558   2013-07-01   
737-666 7 Elgin TX   508J CENTURYLINK COMMUNICATIONS LLC 558   2014-04-10   
737-666 8 Elgin TX AUSTTXJO6MD  9558 INTRADO COMMUNICATIONS, LLC 558   2014-04-25   
737-666 9 Elgin TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2013-10-19   

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

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