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.

Randall, IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
515-328 A RNDLIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 0 KNVLIAXC1MD  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
515-328 1 RNDLIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 2 RNDLIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 3 RNDLIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-328 4 GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-09-04   
515-328 5 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-14   
515-328 6 GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-10-29   
515-328 7 DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632   2017-03-28   
515-328 8 GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-05-08   
515-328 9 RNDLIAXORP0  1167 WINDSTREAM IOWA COMMUNICATIONS, INC. - NORTH 632      
515-945 A DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 632      
515-945 1 DESMIAITGT5  444G AUREON COMMUNICATIONS, LLC 632   2022-01-30   
515-945 2 GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2022-01-31   
515-945 3 GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2022-02-28   
515-945 4 GRNLIAXCMMD  624H ONVOY SPECTRUM, LLC 632   2024-03-07   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.