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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-717 A Winchester MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-717 0 Winchester MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
781-717 1 Winchester MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
781-717 2 Winchester MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-717 3 Winchester MA   321J HD CARRIER LLC 128      
781-717 4 Winchester MA CMBRMABEQMD  321J HD CARRIER LLC 128      
781-717 5 Winchester MA CMBRMABEQMD  321J HD CARRIER LLC 128      
781-717 6 Winchester MA CMBRMABEQMD  321J HD CARRIER LLC 128      
781-717 7 Winchester MA CMBRMABEQMD  321J HD CARRIER LLC 128      
781-717 8 Winchester MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-717 9 Winchester MA   515J IP HORIZON LLC 128      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.