Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 959 [Rate centres in NPA 959] [Dial plan for NPA 959]

NXX: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
959-277 A Norwich CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2025-07-24   
959-277 0 Norwich CT   6388 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT 920   2025-07-24   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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