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.

Marble Rock (OmniTel), IA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
641-315 A MRRKIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-315 1 BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632   2018-05-15   
641-315 2 MRRKIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-315 3 MRRKIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      
641-315 5 GRNLIAXCPMD  221F ONVOY, LLC - IA 632   2021-08-30   
641-315 8 MRRKIA01RS0  3620 OMNITEL COMMUNICATIONS, INC. - IA 632      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.