Local Calling Guide

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

NXX: 431

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-431 A Auburn MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-431 0 Auburn MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2020-08-07   
774-431 2 Auburn MA   490J DISH WIRELESS, LLC 128   2023-06-01   
774-431 3 Auburn MA   624H ONVOY SPECTRUM, LLC 128   2022-02-05   
774-431 4 Auburn MA   624H ONVOY SPECTRUM, LLC 128   2022-02-05   
774-431 5 Auburn MA   892D ONVOY, LLC - MA 128   2021-04-06   
774-431 6 Auburn MA   892D ONVOY, LLC - MA 128   2021-04-06   
774-431 7 Auburn MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-12-20   
774-431 8 Auburn MA   892D ONVOY, LLC - MA 128   2024-03-08   

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

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