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.
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OCN: 429J HAWKEYE INTERCONNECT COMPANY - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
563-224 5 Maynard IA MONNIAXODS1  635   2019-11-27   
563-238 6 Lawler IA MONNIAXODS1  635   2020-08-31   
563-290 A Waucoma IA MONNIAXODS1  635      
563-290 3 Waucoma IA MONNIAXODS1  635   2020-09-04   
563-297 3 Arlington IA MONNIAXODS1  635   2020-09-11   
563-337 A Fayette IA MONNIAXODS1  635      
563-337 3 Fayette IA MONNIAXODS1  635   2019-08-02   
563-339 5 Sumner IA MONNIAXODS1  635   2019-11-27   
563-778 3 St Lucas IA MONNIAXODS1  635   2020-08-31   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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