Local Calling Guide

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NPA: 307 [Rate centres in NPA 307] [Dial plan for NPA 307]

NXX: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-313 A Evanston WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-313 0 Evanston WY CHYNWYMAXIX  6566 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WY 654   2018-12-06   
307-313 1 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-12-27   
307-313 2 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-09-05   
307-313 3 Evanston WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2012-02-16   
307-313 4 Evanston WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2009-12-27   
307-313 5 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-12-19   
307-313 6 Evanston WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2021-03-02   
307-313 7 Evanston WY CHYNWYMAXAX  508J CENTURYLINK COMMUNICATIONS, LLC 654   2015-03-18   
307-313 8 Evanston WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   
307-313 9 Evanston WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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