Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-351 A Haverhill MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
978-351 0 Haverhill MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-11-18   
978-351 1 Haverhill MA SOVLMAABIMD  229C IDT AMERICA, CORP. - MA 128   2024-01-11   
978-351 3 Haverhill MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2025-01-21   
978-351 6 Haverhill MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2024-11-28   
978-351 7 Haverhill MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-26   
978-351 8 Haverhill MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-26   
978-351 9 Haverhill MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-26   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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