Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 351 [Rate centres in NPA 351] [Dial plan for NPA 351]

NXX: 239

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-239 A Lowell MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
351-239 0 Lowell MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-12-24   
351-239 1 Lowell MA   892D ONVOY, LLC - MA 128   2024-01-18   
351-239 2 Lowell MA   939H COMMIO, LLC 128   2024-03-04   
351-239 3 Lowell MA   321J HD CARRIER LLC 128   2025-11-28   
351-239 4 Lowell MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-05-28   
351-239 5 Lowell MA   892D ONVOY, LLC - MA 128   2023-08-17   
351-239 6 Lowell MA   892D ONVOY, LLC - MA 128   2023-08-17   
351-239 7 Lowell MA   892D ONVOY, LLC - MA 128   2023-07-03   
351-239 8 Lowell MA   892D ONVOY, LLC - MA 128   2023-07-03   
351-239 9 Lowell MA   892D ONVOY, LLC - MA 128   2024-02-23   

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

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