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.

Switch: DESMIADT1MD

<< 1 2 3 4

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-903 2 Mason City IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2014-10-19   
641-924 A Garner IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
641-924 0 Garner IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-05-01   
641-925 6 Garner IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2019-09-29   
641-931 8 Albia IA 9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2020-01-16   

<< 1 2 3 4

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.