Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-281 A Sundance WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-281 0 Sundance WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-281 1 Sundance WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-281 2 Sundance WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-281 6 Sundance WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2010-11-13   
307-281 7 Sundance WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2023-03-04   

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

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