Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   990E BANDWIDTH.COM CLEC, LLC - MA 128   2014-09-29   
774-515 1 Boylston MA   892D ONVOY, LLC - MA 128   2016-04-02   
774-515 2 Boylston MA   892D ONVOY, LLC - MA 128   2016-04-02   
774-515 3 Boylston MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2017-06-12   
774-515 4 Boylston MA   892D ONVOY, LLC - MA 128   2019-02-23   
774-515 5 Boylston MA   892D ONVOY, LLC - MA 128   2019-02-23   
774-515 6 Boylston MA   7135 TC SYSTEMS, INC. 128   2018-05-14   
774-515 7 Boylston MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2015-01-20   
774-515 8 Boylston MA   515J IP HORIZON LLC 128   2016-06-26   
774-515 9 Boylston MA   073H TELNYX LLC 128   2017-05-09   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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