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: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 918

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-918 A Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-918 0 Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-918 1 Boston MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-918 2 Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-918 3 Boston MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-11-30   
617-918 4 Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-918 5 Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-918 6 Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      
617-918 7 Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-03-13   
617-918 8 Boston MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
617-918 9 Boston MA BSTNMABODS9  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.