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.

Martin, KY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
606-285 A MARTKYMADS0  9419 BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL 466      
606-530 A LXTNKY24HMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 466      
606-530 0 WNCHKYMAEMD  896E ONVOY, LLC - KY 466      
606-530 1 WNCHKYMAEMD  896E ONVOY, LLC - KY 466      
606-530 2   624H ONVOY SPECTRUM, LLC 466      
606-530 3 LXTNKY24HMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 466      
606-530 4 WNCHKYMAEMD  896E ONVOY, LLC - KY 466      
606-530 5 WNCHKYMAEMD  896E ONVOY, LLC - KY 466      
606-530 7   516C AT&T CORP. 466      
606-530 8 DAVLKYMAX7X  073H TELNYX LLC 466      
606-530 9   515J IP HORIZON LLC 466      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.