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: CRVWFLXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
850-306 A Crestview FL 0340 CENTURYLINK OF FLORIDA, INC. (CENTRAL) 44814      
850-423 A Crestview FL 0340 CENTURYLINK OF FLORIDA, INC. (CENTRAL) 44814      
850-682 A Crestview FL 0340 CENTURYLINK OF FLORIDA, INC. (CENTRAL) 44814      
850-683 A Crestview FL 0340 CENTURYLINK OF FLORIDA, INC. (CENTRAL) 44814      
850-689 A Crestview FL 0340 CENTURYLINK OF FLORIDA, INC. (CENTRAL) 44814      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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