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: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-576 A Hagerstown MD HGTWMD534MD  197D VONAGE AMERICA LLC 240      
240-576 0 Hagerstown MD HGTWMD534MD  197D VONAGE AMERICA LLC 240      
240-576 1 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 2 Hagerstown MD   624H ONVOY SPECTRUM, LLC 240      
240-576 3 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 4 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 5 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 6 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 7 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 8 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      
240-576 9 Hagerstown MD   2593 CORE COMMUNICATIONS, INC.- MD 240      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.