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: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
737-837 A Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-837 0 Taylor TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-837 1 Taylor TX AUSTTXGRDS6  177F PEERLESS NETWORK OF TEXAS, LLC - TX 558      
737-837 2 Taylor TX AUSUTX78AMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 558      
737-837 3 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-837 4 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-837 5 Taylor TX AUSWTXGX6MD  6529 T-MOBILE USA, INC. 558      
737-837 7 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-837 8 Taylor TX AUSTTXGR03Z  903C ONVOY, LLC - TX 558      
737-837 9 Taylor TX AUSTTXGR58Z  515J IP HORIZON LLC 558      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.