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: 774B WALNUT TELEPHONE COMPANY, INC. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
712-207 A Shelby IA AVOCIAXO2MD  644      
712-207 2 Shelby IA AVOCIAXO2MD  644      
712-307 6 Avoca IA AVOCIAXO2MD  644      
712-396 8 Council Bluffs IA WLNTIAXODS1  644      
712-407 A Minden IA AVOCIAXO2MD  644      
712-407 2 Minden IA AVOCIAXO2MD  644      
712-485 8 Neola IA WLNTIAXODS1  644      
712-488 8 Persia IA WLNTIAXODS1  644      
712-545 8 Crescent IA WLNTIAXODS1  644      
712-566 8 Underwood IA WLNTIAXODS1  644      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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