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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Switch: FRFDWAXARS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-273 A Rock Creek ID 4324 FRONTIER COMMUNICATIONS NORTHWEST INC. - WA 676      
509-283 A Fairfield WA 4324 FRONTIER COMMUNICATIONS NORTHWEST INC. - WA 676      

Last updated: Sat, 29 Jun 2019 02:32:58 UTC

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