Local Calling Guide

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

NXX: 513

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-513 A Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-513 0 Westboro MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-08-15   
774-513 1 Westboro MA   321J HD CARRIER LLC 128   2016-04-20   
774-513 2 Westboro MA   321J HD CARRIER LLC 128   2016-04-20   
774-513 3 Westboro MA   515J IP HORIZON LLC 128   2017-07-06   
774-513 4 Westboro MA   321J HD CARRIER LLC 128   2016-04-11   
774-513 5 Westboro MA   892D ONVOY, LLC - MA 128   2016-03-24   
774-513 6 Westboro MA   892D ONVOY, LLC - MA 128   2016-03-24   
774-513 7 Westboro MA   321J HD CARRIER LLC 128   2016-04-11   
774-513 8 Westboro MA   515J IP HORIZON LLC 128   2015-03-22   
774-513 9 Westboro MA   515J IP HORIZON LLC 128   2015-10-16   

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

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