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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-277 A Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
351-277 0 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-06-06   
351-277 1 Lawrence MA   515J IP HORIZON LLC 128   2017-07-06   
351-277 2 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-12-29   
351-277 3 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2017-12-29   
351-277 4 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-18   
351-277 5 Lawrence MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2018-01-02   
351-277 6 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-18   
351-277 7 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-11-06   
351-277 8 Lawrence MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-02-18   
351-277 9 Lawrence MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2017-06-05   

Last updated: Sat, 21 Mar 2026 23:53:39 UTC

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