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: 361 [Rate centres in NPA 361] [Dial plan for NPA 361]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-221 A Kingsville TX KGVLTXKVDS0  9533 SOUTHWESTERN BELL 564      
361-221 0 Kingsville TX KGVLTXKVDS0  9533 SOUTHWESTERN BELL 564      
361-221 1 Kingsville TX CRCHTXKC0MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2006-01-05   
361-221 2 Kingsville TX CRCHTXKC0MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2006-11-01   
361-221 3 Kingsville TX KGVLTXKVDS0  9533 SOUTHWESTERN BELL 564      
361-221 4 Kingsville TX CRCHTXKC0MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2006-11-01   
361-221 5 Kingsville TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2011-11-21   
361-221 6 Kingsville TX CRCHTX93X8Y  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 564   2006-12-03   
361-221 7 Kingsville TX CRCHTXTUDS6  319D FOREMOST TELECOMMUNICATIONS CORPORATION - TX 564   2016-09-30   
361-221 8 Kingsville TX CRCHTXKC0MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2012-03-31   
361-221 9 Kingsville TX KGVLTXKVDS0  9533 SOUTHWESTERN BELL 564      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.