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: 293

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-293 A Guernsey WY SCTSNEXUMMD  450F ONVOY, LLC - WY 646      
307-293 0 Guernsey WY   450F ONVOY, LLC - WY 646   2023-06-18   
307-293 1 Guernsey WY   450F ONVOY, LLC - WY 646   2023-03-24   
307-293 2 Guernsey WY   450F ONVOY, LLC - WY 646   2021-04-01   
307-293 3 Guernsey WY   450F ONVOY, LLC - WY 646   2021-06-27   
307-293 4 Guernsey WY   450F ONVOY, LLC - WY 646   2021-08-27   
307-293 5 Guernsey WY   450F ONVOY, LLC - WY 646   2023-03-16   
307-293 6 Guernsey WY   450F ONVOY, LLC - WY 646   2024-01-08   
307-293 7 Guernsey WY   450F ONVOY, LLC - WY 646   2023-03-19   
307-293 8 Guernsey WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 646   2023-01-07   
307-293 9 Guernsey WY   450F ONVOY, LLC - WY 646   2023-10-12   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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