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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 515

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-515 A Boylston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-515 0 Boylston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
774-515 1 Boylston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-515 2 Boylston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-515 3 Boylston MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      
774-515 4 Boylston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-515 5 Boylston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-515 6 Boylston MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128      
774-515 7 Boylston MA BSTPMALL5MD  508J CENTURYLINK COMMUNICATIONS, LLC 128      
774-515 8 Boylston MA   515J IP HORIZON LLC 128      
774-515 9 Boylston MA BSTPMALLOMD  073H TELNYX 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.