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: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-343 A Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654      
307-343 0 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2009-08-30   
307-343 1 Laramie WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2018-03-20   
307-343 2 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2011-07-08   
307-343 3 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2010-09-20   
307-343 4 Laramie WY CHYNWYMAX4X  370E YMAX COMMUNICATIONS CORP. - WY 654   2009-11-25   
307-343 5 Laramie WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2012-08-15   
307-343 6 Laramie WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2016-09-17   
307-343 7 Laramie WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2009-11-08   
307-343 8 Laramie WY CHYNWYRF1MD  073H TELNYX LLC 654   2017-03-31   
307-343 9 Laramie WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-07-08   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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