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.

NPA: 567 [Rate centres in NPA 567] [Dial plan for NPA 567]

NXX: 391

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
567-391 A New London OH TOLDOHIR3MD  4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-391 0 New London OH   464C ONVOY, LLC - OH 326   2023-09-16   
567-391 1 New London OH   5562 METROPCS, INC. 326   2021-07-16   
567-391 3 New London OH   464C ONVOY, LLC - OH 326   2018-11-18   
567-391 4 New London OH   4863 LEVEL 3 COMMUNICATIONS, LLC - OH 326      
567-391 5 New London OH   7532 TELEPORT COMMUNICATIONS AMERICA, LLC - OH 326   2016-05-13   
567-391 6 New London OH   6529 T-MOBILE USA, INC. 326   2024-03-21   
567-391 8 New London OH   6529 T-MOBILE USA, INC. 326   2024-03-21   
567-391 9 New London OH   793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.