Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 737 [Rate centres in NPA 737] [Dial plan for NPA 737]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-200 A Elgin TX   903C ONVOY, LLC - TX 558      
737-200 0 Elgin TX   903C ONVOY, LLC - TX 558   2015-12-10   
737-200 1 Elgin TX   903C ONVOY, LLC - TX 558   2016-03-02   
737-200 2 Elgin TX   903C ONVOY, LLC - TX 558   2015-12-10   
737-200 3 Elgin TX   903C ONVOY, LLC - TX 558   2016-03-02   
737-200 4 Elgin TX   903C ONVOY, LLC - TX 558   2016-04-09   
737-200 5 Elgin TX   903C ONVOY, LLC - TX 558   2016-04-09   
737-200 6 Elgin TX   7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 558   2016-02-04   
737-200 7 Elgin TX   177F PEERLESS NETWORK OF TEXAS, LLC - TX 558   2016-10-01   
737-200 8 Elgin TX   9558 INTRADO COMMUNICATIONS, LLC 558   2016-08-29   
737-200 9 Elgin TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 558   2016-03-17   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.