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: 641 [Rate centres in NPA 641] [Dial plan for NPA 641]

NXX: 819

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-819 A Fairfield IA FRFDIAXCPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      
641-819 0 Fairfield IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632      
641-819 1 Fairfield IA FRFDIAXB3MD  6529 T-MOBILE USA, INC. 632      
641-819 2 Fairfield IA FRFDIAXB3MD  6529 T-MOBILE USA, INC. 632      
641-819 3 Fairfield IA DESMIADTTMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 632      
641-819 4 Fairfield IA KNVLIAXCSMD  221F ONVOY, LLC - IA 632      
641-819 5 Fairfield IA BOONIA01DS1  544H INTEGRATED PATH COMMUNCATIONS, LLC - IA 632      
641-819 6 Fairfield IA DESMIADTX5X  8344 TELEPORT COMMUNICATIONS AMERICA, LLC - IA 632      
641-819 7 Fairfield IA DESMIADTXJX  508J CENTURYLINK COMMUNICATIONS, LLC 632      
641-819 8 Fairfield IA DESMIADTXKX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 632      
641-819 9 Fairfield IA FRFDIAXCPS0  1170 WINDSTREAM IOWA COMMUNICATIONS, INC. - SYSTEMS 632      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.