Local Calling Guide

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

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-481 A Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654      
307-481 0 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2020-12-19   
307-481 1 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-09-07   
307-481 2 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-12-27   
307-481 3 Lusk WY CHYNWYMAZMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 654   2016-11-11   
307-481 4 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-11-07   
307-481 5 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2023-10-12   
307-481 6 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2019-12-27   
307-481 7 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2007-05-06   
307-481 8 Lusk WY CHYNWYMAX2X  450F ONVOY, LLC - WY 654   2012-01-30   
307-481 9 Lusk WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2020-09-07   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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