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: 936 [Rate centres in NPA 936] [Dial plan for NPA 936]

NXX: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
936-931 A Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      
936-931 0 Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      
936-931 1 Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      
936-931 2 Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      
936-931 3 Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      
936-931 4 Waller EMS TX HSTNTXGI0MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
936-931 5 Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      
936-931 6 Waller EMS TX HSTNTXPB6MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 560      
936-931 7 Waller EMS TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
936-931 8 Waller EMS TX HSTNTXGI1MD  004F BANDWIDTH.COM CLEC, LLC - TX 560      
936-931 9 Waller EMS TX WLLRTXWLRS2  9533 SOUTHWESTERN BELL 560      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.