Local Calling Guide

Area code/prefix search

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

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
641-323 A Northwood IA NWODIA051MD  6103 WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA 632      
641-323 0 Northwood IA DESMIADTX7X  751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-323 1 Northwood IA DESMIADT1MD  9877 LEVEL 3 COMMUNICATIONS, LLC - IA 632   2010-04-01   
641-323 2 Northwood IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2012-02-09   
641-323 3 Northwood IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2015-05-25   
641-323 4 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-06   
641-323 5 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2016-04-06   
641-323 6 Northwood IA DESMIAEA0MD  985E BANDWIDTH.COM CLEC, LLC - IA 632   2016-07-16   
641-323 7 Northwood IA NWODIA051MD  6103 WINNEBAGO COOPERATIVE TELEPHONE ASSOCIATION - IA 632   2005-09-29   
641-323 8 Northwood IA DESMIADTFMD  221F ONVOY, LLC - IA 632   2017-06-22   
641-323 9 Northwood IA DESMIADTXMX  073H TELNYX LLC 632   2020-05-29   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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