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: CNCNOHWSXRZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-450 0 Oxford OH 907J BARR TELL USA 922   2022-04-29   
513-902 9 Clermont OH 907J BARR TELL USA 922   2022-04-29   
513-935 9 Bethany OH 907J BARR TELL USA 922   2022-04-29   
513-951 A Harrison OH 907J BARR TELL USA 922      
513-955 A Cincinnati OH 907J BARR TELL USA 922      
513-955 5 Cincinnati OH 907J BARR TELL USA 922   2022-06-30   
513-998 9 Little Miami OH 907J BARR TELL USA 922   2022-06-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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