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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-336 A Daniel WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654      
307-336 0 Daniel WY   450F ONVOY, LLC - WY 654   2021-07-11   
307-336 1 Daniel WY   450F ONVOY, LLC - WY 654   2023-06-18   
307-336 2 Daniel WY   450F ONVOY, LLC - WY 654   2023-10-12   
307-336 3 Daniel WY   450F ONVOY, LLC - WY 654   2020-09-05   
307-336 4 Daniel WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2023-01-27   
307-336 5 Daniel WY   450F ONVOY, LLC - WY 654   2020-12-19   
307-336 6 Daniel WY   450F ONVOY, LLC - WY 654   2020-12-19   
307-336 7 Daniel WY   450F ONVOY, LLC - WY 654   2019-09-21   
307-336 8 Daniel WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   
307-336 9 Daniel WY   6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   

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

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