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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
361-621 A Pettus TX PTTSTXXADS0  2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-621 0 Pettus TX PTTSTXXADS0  2114 BRIGHTSPEED OF TEXAS, INC. 564      
361-621 1 Pettus TX CRCHTXKC0MD  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 564   2006-09-22   
361-621 3 Pettus TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2021-03-18   
361-621 4 Pettus TX CRCHTXTUX5Z  073H TELNYX LLC 564   2021-03-28   
361-621 5 Pettus TX CRCHTXTUX3Y  004F BANDWIDTH.COM CLEC, LLC - TX 564   2021-07-10   
361-621 6 Pettus TX CRCHTXTUX5Y  903C ONVOY, LLC - TX 564   2018-12-08   
361-621 7 Pettus TX CRCHTXTUXWY  508J CENTURYLINK COMMUNICATIONS, LLC 564   2016-03-30   
361-621 8 Pettus TX   624H ONVOY SPECTRUM, LLC 564   2024-05-23   

Last updated: Sun, 06 Oct 2024 02:51:32 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.