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.

Westerville, OH

<< 1 2 3 4

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
614-964 6 CLMBOH11X6Z  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2018-09-14   
614-964 7 CLMBOH11X6Z  7836 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OH 324   2018-09-16   
614-964 8 CLMFOHJU7MD  5562 METROPCS, INC. 324   2018-10-15   
614-964 9 CLMDOH448MD  073H TELNYX LLC 324   2017-06-01   

<< 1 2 3 4

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.