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: MNFDOHXAXHY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
567-247 A Mansfield OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-409 A Bucyrus OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-483 A Lucas OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-485 A Chatfield OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-560 A Mansfield OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-763 A Shiloh OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-772 A Bellville OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
567-844 A Shelby OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   
740-791 A Martinsburg OH 793K TWC IP ENABLED SERVICES, LLC 923   2025-02-20   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.