Local Calling Guide

Area code/prefix search

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Westport, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
774-844 6 BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-06-13   
774-844 8 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-03-30   
774-844 9 CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2023-09-13   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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