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: 752

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-752 A South Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-752 0 South Boston MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-26   
617-752 1 South Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
617-752 2 South Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-02-18   
617-752 3 South Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-03-10   
617-752 4 South Boston MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2007-10-05   
617-752 5 South Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2017-04-14   
617-752 6 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-05-10   
617-752 7 South Boston MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2018-10-29   
617-752 8 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-05-11   
617-752 9 South Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.