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: 233

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-233 A Nordheim TX CRCHTXBBBMD  516C AT&T CORP. 564      
361-233 0 Nordheim TX   004F BANDWIDTH.COM CLEC, LLC - TX 564   2012-02-09   
361-233 1 Nordheim TX   903C ONVOY, LLC - TX 564   2014-11-07   
361-233 2 Nordheim TX   004F BANDWIDTH.COM CLEC, LLC - TX 564   2015-08-27   
361-233 3 Nordheim TX   004F BANDWIDTH.COM CLEC, LLC - TX 564   2018-06-21   
361-233 4 Nordheim TX   6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2018-10-26   
361-233 5 Nordheim TX   073H TELNYX LLC 564   2021-03-24   
361-233 6 Nordheim TX   508J CENTURYLINK COMMUNICATIONS, LLC 564   2016-05-22   
361-233 7 Nordheim TX   516C AT&T CORP. 564   2011-10-19   
361-233 8 Nordheim TX   197D VONAGE AMERICA LLC 564   2021-07-12   
361-233 9 Nordheim TX   624H ONVOY SPECTRUM, LLC 564   2024-05-23   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.