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: WRDNMTXCDS0

Remotes:

Switch Switch name Switch type
HNTLMTXCRS1  HUNTLEY  DMT 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
406-875 A Pompeys Pillar MT 2250 PROJECT TEL. CO., INC. 650      
406-967 A Worden MT 2250 PROJECT TEL. CO., INC. 650      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.