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: 802

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-802 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-802 0 Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-802 1 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-11-01   
617-802 2 Cambridge MA CMBSMA013MD  428H AIRUS, INC. - MA 128   2021-03-25   
617-802 3 Cambridge MA CMBSMA013MD  428H AIRUS, INC. - MA 128   2021-03-25   
617-802 4 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
617-802 5 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
617-802 6 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
617-802 7 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
617-802 8 Cambridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-06   
617-802 9 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.