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.

Switch: FTWBFLXAX5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
850-605 A Crestview FL 7575 CENTURYLINK COMMUNICATIONS LLC 44814      
850-812 A Fort Walton Beach FL 7575 CENTURYLINK COMMUNICATIONS LLC 44815      

Last updated: Mon, 24 May 2021 01:28:43 UTC

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