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: CNCNOHWSXZX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-209 A Cincinnati OH 6630 SPOK, INC. 922      
513-210 A Cincinnati OH 6630 SPOK, INC. 922      
513-249 A Cincinnati OH 6630 SPOK, INC. 922      
513-269 A Cincinnati OH 6630 SPOK, INC. 922      
513-343 A Cincinnati OH 6630 SPOK, INC. 922      
513-350 A Cincinnati OH 6630 SPOK, INC. 922      
513-359 A Cincinnati OH 6630 SPOK, INC. 922      
513-408 A Cincinnati OH 6630 SPOK, INC. 922      
513-590 A Cincinnati OH 6630 SPOK, INC. 922      
513-660 A Cincinnati OH 6630 SPOK, INC. 922      
513-670 A Cincinnati OH 6630 SPOK, INC. 922      
513-691 A Cincinnati OH 6630 SPOK, INC. 922      
513-710 A Cincinnati OH 6630 SPOK, INC. 922      
513-920 A Cincinnati OH 6630 SPOK, INC. 922      
513-944 A Cincinnati OH 6630 SPOK, INC. 922      
513-971 A Cincinnati OH 6630 SPOK, INC. 922      

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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