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: 777

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-777 A Severna Park MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-777 0 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-777 1 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-777 2 Severna Park MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-777 3 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238      
667-777 4 Severna Park MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
667-777 5 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
667-777 6 Severna Park MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238      
667-777 7 Severna Park MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-777 8 Severna Park MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-777 9 Severna Park MD BLTMMDCHX7X  073H TELNYX LLC 238      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.