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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-448 A Ferndale AR LTRKARVARS2  7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 0 Ferndale AR LTRKARVARS2  7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 1 Ferndale AR LTRKARIYPS0  7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 2 Ferndale AR LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528      
501-448 3 Ferndale AR LTRKARVARS2  7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 4 Ferndale AR LTRKARVARS2  7656 WINDSTREAM COMMUNICATIONS, INC. - AR 528      
501-448 5 Ferndale AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
501-448 6 Ferndale AR LTRKARFRXKY  196F BANDWIDTH.COM CLEC, LLC - AR 528      
501-448 7 Ferndale AR LTRKARFRXLY  348F ONVOY, LLC - AR 528      
501-448 8 Ferndale AR   624H ONVOY SPECTRUM, LLC 528      
501-448 9 Ferndale AR LTRKARZO2MD  073H TELNYX LLC 528      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.