Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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 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: Sat, 05 Apr 2025 03:03:23 UTC

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