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: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-431 A Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
667-431 0 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
667-431 1 Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-431 2 Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-431 3 Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-431 4 Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-431 5 Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-431 6 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
667-431 8 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
667-431 9 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.