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: HGTWMD53DMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
227-295 5 Hagerstown MD 321J HD CARRIER LLC 240   2026-01-26   
227-295 6 Hagerstown MD 321J HD CARRIER LLC 240   2026-01-26   
227-295 7 Hagerstown MD 321J HD CARRIER LLC 240   2026-01-26   
240-730 A Hagerstown MD 321J HD CARRIER LLC 240      
240-730 8 Hagerstown MD 321J HD CARRIER LLC 240   2020-10-09   
240-730 9 Hagerstown MD 321J HD CARRIER LLC 240   2020-10-09   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.