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: DESMIADTX7X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-569 9 Oskaloosa IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-575 2 Ottumwa IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2020-04-26   
641-715 1 Charles City IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-732 0 Osage IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-812 A Hampton IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632      
641-812 1 Hampton IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-05-01   
641-814 9 Ottumwa IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2006-11-30   
641-847 8 Ackley IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-863 9 Britt IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-892 1 Sheffield IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   
641-954 8 Ottumwa IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2012-07-12   
641-954 9 Ottumwa IA 751F MCC TELEPHONY OF IOWA, LLC - IA 632   2010-04-15   

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

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