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: CLMBOH11X1Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
614-320 A New Albany OH 6630 SPOK, INC. 324      
614-399 A Columbus OH 6630 SPOK, INC. 324      
614-590 A Columbus OH 6630 SPOK, INC. 324      
614-608 A Dublin OH 6630 SPOK, INC. 324      
614-617 A Columbus OH 6630 SPOK, INC. 324      
614-630 A Alton OH 6630 SPOK, INC. 324      
614-631 A Alton OH 6630 SPOK, INC. 324      
614-637 A Alton OH 6630 SPOK, INC. 324      
614-646 A Columbus OH 6630 SPOK, INC. 324      
614-651 A Alton OH 6630 SPOK, INC. 324      
614-690 A Alton OH 6630 SPOK, INC. 324      
614-691 A Alton OH 6630 SPOK, INC. 324      
740-210 A Newark OH 6630 SPOK, INC. 324      
740-553 A Coshocton OH 6630 SPOK, INC. 324      
740-735 A Zanesville OH 6630 SPOK, INC. 324      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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