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: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 242

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-242 A Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 0 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 1 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 2 Rock Hall MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 3 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 4 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 5 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 6 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 7 Rock Hall MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-242 8 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-242 9 Rock Hall MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.