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.

OCN: 4245 F&B COMMUNICATIONS, INC. - IA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
563-574 A Delmar (FBTC) IA DLMRIA01RS0  634      
563-890 A Bennett (FBTC) IA BNNTIAXORS1  634      
563-941 A Lowden (FBTC) IA LWDNIA01RS0  634      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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