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: 324

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-324 A Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 0 Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 1 Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 2 Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 3 Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 4 Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      
641-324 5 Northwood IA DESMIADTX2Y  506J TWILIO INTERNATIONAL, INC. 632   2020-12-28   
641-324 6 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2018-04-14   
641-324 7 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2008-08-29   
641-324 8 Northwood IA DESMIAITX6X  6529 T-MOBILE USA, INC. 632   2009-03-09   
641-324 9 Northwood IA NWODIACORS3  9631 QWEST CORPORATION 632      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.