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: 904

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-904 A Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528      
501-904 0 Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2015-06-12   
501-904 1 Little Rock AR LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2016-07-01   
501-904 2 Little Rock AR LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2015-07-02   
501-904 3 Little Rock AR LTRKARZODS0  7277 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR 528   2017-05-08   
501-904 4 Little Rock AR LTRKARWTBMD  5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2015-08-14   
501-904 5 Little Rock AR LTRKARFRXWY  516C AT&T CORP. 528   2015-06-11   
501-904 6 Little Rock AR LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2016-07-01   
501-904 7 Little Rock AR LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2016-07-01   
501-904 8 Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2015-05-22   
501-904 9 Little Rock AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2015-05-22   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.