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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-439 A Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-439 0 Casper WY CHYNWYRFDS0  581H AIRUS, INC. - WY 654   2018-12-23   
307-439 1 Casper WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2008-02-13   
307-439 2 Casper WY CSPRWYESPS1  009E BRESNAN BROADBAND OF WYOMING, LLC - WY [CHARTER] 654   2014-10-24   
307-439 3 Casper WY CSPRWYMAXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2019-02-22   
307-439 4 Casper WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2014-11-27   
307-439 5 Casper WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2015-03-12   
307-439 6 Casper WY CHYNWYMAQMD  081F BANDWIDTH.COM CLEC, LLC - WY 654   2015-03-12   
307-439 7 Casper WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654   2016-08-13   
307-439 8 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2014-08-09   
307-439 9 Casper WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2010-09-04   

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

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