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: 939

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-939 A Lonsdale AR LNDLARMARS2  9533 SOUTHWESTERN BELL 528      
501-939 0 Lonsdale AR   829J PAETEC ITEL, LLC 528      
501-939 1 Lonsdale AR LNDLARMARS2  9533 SOUTHWESTERN BELL 528      
501-939 2 Lonsdale AR LNDLARMARS2  9533 SOUTHWESTERN BELL 528      
501-939 3 Lonsdale AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528      
501-939 4 Lonsdale AR LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528      
501-939 5 Lonsdale AR LTRKARFRXWY  516C AT&T CORP. 528      
501-939 6 Lonsdale AR LTRKARFRXLY  348F ONVOY, LLC - AR 528      
501-939 7 Lonsdale AR RLVLARFI2MD  508J CENTURYLINK COMMUNICATIONS, LLC 528      
501-939 8 Lonsdale AR LTRKARZO2MD  073H TELNYX LLC 528      
501-939 9 Lonsdale AR LNDLARMARS2  9533 SOUTHWESTERN BELL 528      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.