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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-356 A Leominster MA SOVLMAABAMD  965H FRACTEL, LLC 128      
351-356 0 Leominster MA   073H TELNYX LLC 128   2021-03-04   
351-356 1 Leominster MA   892D ONVOY, LLC - MA 128   2021-04-06   
351-356 2 Leominster MA   892D ONVOY, LLC - MA 128   2021-04-06   
351-356 3 Leominster MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-09-16   
351-356 4 Leominster MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-09-19   
351-356 5 Leominster MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-10-23   
351-356 6 Leominster MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-09-19   
351-356 7 Leominster MA   965H FRACTEL, LLC 128   2020-09-18   
351-356 8 Leominster MA   624H ONVOY SPECTRUM, LLC 128   2021-04-09   
351-356 9 Leominster MA   965H FRACTEL, LLC 128   2020-09-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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