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: 534

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
713-534 A Houston TX HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-534 0 Houston TX HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-534 1 Houston TX HSTNTXMOX7X  318J COMCAST IP PHONE, LLC 560      
713-534 2 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-534 3 Houston TX HSTDTXBG9MD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-534 4 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-534 5 Houston TX HSTDTXBGBMD  6701 AERIAL COMMUNICATIONS, INC. 560      
713-534 6 Houston TX HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-534 7 Houston TX HSTNTX01G04  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 560      
713-534 8 Houston TX HSTNTXGRDS0  9533 SOUTHWESTERN BELL 560      
713-534 9 Houston TX HSTWTXUFAMD  6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 560      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.