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: 713 [Rate centres in NPA 713] [Dial plan for NPA 713]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-330 A Houston TX HSTNTXGLRP0  9533 SOUTHWESTERN BELL 560      
713-330 0 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 1 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 2 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 3 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 4 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 5 Houston TX   6701 AERIAL COMMUNICATIONS 560   2012-09-06   
713-330 6 Houston TX   6701 AERIAL COMMUNICATIONS 560   2012-09-06   
713-330 7 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 8 Houston TX   9533 SOUTHWESTERN BELL 560      
713-330 9 Houston TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560   2017-08-11   

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.