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: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-863 A Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-863 0 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-863 1 Somerville MA SOVLMACEDS0  9102 VERIZON NEW ENGLAND INC. 128      
617-863 2 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-863 3 Somerville MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
617-863 4 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
617-863 5 Somerville MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128      
617-863 6 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-863 7 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-863 8 Somerville MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
617-863 9 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.