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: 956 [Rate centres in NPA 956] [Dial plan for NPA 956]

NXX: 986

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
956-986 A Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 0 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 1 Brownsville TX HRLNTXHGX7X  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 568   2019-10-06   
956-986 2 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 3 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 4 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 5 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 6 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 7 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 8 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      
956-986 9 Brownsville TX BWVLTXLIDS0  9533 SOUTHWESTERN BELL 568      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.