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: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-594 A Paron AR PARNARMARS2  9533 SOUTHWESTERN BELL 528      
501-594 0 Paron AR LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528   2011-10-21   
501-594 1 Paron AR PARNARMARS2  9533 SOUTHWESTERN BELL 528      
501-594 2 Paron AR LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528   2014-03-22   
501-594 3 Paron AR LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528   2015-03-14   
501-594 4 Paron AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2017-03-27   
501-594 5 Paron AR PARNARMARS2  9533 SOUTHWESTERN BELL 528      
501-594 6 Paron AR LTRKARFRXWY  516C AT&T CORP. 528   2011-04-25   
501-594 7 Paron AR RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528   2015-01-20   
501-594 8 Paron AR PARNARMARS2  9533 SOUTHWESTERN BELL 528      
501-594 9 Paron AR LTRKARZO2MD  073H TELNYX LLC 528   2018-11-14   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.