Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Westport, MA

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

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

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