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: 4245 F&B COMMUNICATIONS, INC. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
563-574 A Delmar IA WTLDIAXODS0  634      
563-890 A Bennett IA WTLDIAXODS0  634      
563-941 A Lowden IA WTLDIAXODS0  634      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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