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: 271

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-271 A Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
501-271 0 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-01-11   
501-271 1 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-04-04   
501-271 2 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-04-04   
501-271 3 Palarm AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-02-06   
501-271 4 Palarm AR LTRKARFRXLY  348F ONVOY, LLC - AR 528   2020-02-06   
501-271 5 Palarm AR LTRKARFRXJZ  318J COMCAST IP PHONE, LLC 528   2018-03-03   
501-271 6 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2020-04-04   
501-271 7 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2018-03-01   
501-271 8 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2018-03-01   
501-271 9 Palarm AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2018-03-01   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.