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: 940 [Rate centres in NPA 940] [Dial plan for NPA 940]

NXX: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
940-538 A Henrietta TX HNRTTXBRRS0  9533 SOUTHWESTERN BELL 548      
940-538 0 Henrietta TX HNRTTXBRRS0  9533 SOUTHWESTERN BELL 548      
940-538 1 Henrietta TX HNRTTXBRRS0  9533 SOUTHWESTERN BELL 548      
940-538 2 Henrietta TX WCFLTXNIXJX  073H TELNYX LLC 548   2021-03-19   
940-538 3 Henrietta TX WCFLTXNIUMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 548   2017-04-24   
940-538 4 Henrietta TX HNRTTXBRRS0  9533 SOUTHWESTERN BELL 548      
940-538 5 Henrietta TX HNRTTXBRRS0  9533 SOUTHWESTERN BELL 548      
940-538 6 Henrietta TX HNRTTXBRRS0  9533 SOUTHWESTERN BELL 548      
940-538 7 Henrietta TX WCFLTXNIX3X  583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 548   2022-02-27   
940-538 8 Henrietta TX WCFLTXNIX6X  903C ONVOY, LLC - TX 548   2018-10-03   
940-538 9 Henrietta TX WCFLTXNIXMX  162J COMCELL, INC. - TX 548   2018-09-13   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.