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: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-323 A Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654      
307-323 0 Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2021-07-11   
307-323 1 Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-12-19   
307-323 2 Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2019-09-21   
307-323 3 Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-09-05   
307-323 4 Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-09-05   
307-323 5 Pinedale WY CHYNWYMAEMD  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654   2020-09-22   
307-323 6 Pinedale WY CHYNWYMAX9X  879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654   2020-11-09   
307-323 7 Pinedale WY BGPNWYXC7MD  450F ONVOY, LLC - WY 654   2020-12-19   
307-323 8 Pinedale WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   
307-323 9 Pinedale WY CHYNWYMAX6X  6010 NEW CINGULAR WIRELESS PCS, LLC 654   2020-09-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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