Local Calling Guide

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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 793

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-793 A Quincy MA BSTNMALBDS1  7135 TC SYSTEMS, INC. 128      
617-793 0 Quincy MA   7135 TC SYSTEMS, INC. 128      
617-793 1 Quincy MA   7135 TC SYSTEMS, INC. 128      
617-793 2 Quincy MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-10-22   
617-793 3 Quincy MA   892D ONVOY, LLC - MA 128   2010-10-22   
617-793 4 Quincy MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-10-22   
617-793 5 Quincy MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-10-22   
617-793 6 Quincy MA   624H ONVOY SPECTRUM, LLC 128   2024-12-06   
617-793 7 Quincy MA   892D ONVOY, LLC - MA 128   2023-09-07   
617-793 8 Quincy MA   321J HD CARRIER LLC 128   2016-05-16   
617-793 9 Quincy MA   7135 TC SYSTEMS, INC. 128      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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