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: 452

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
307-452 A Casper WY   450F ONVOY, LLC - WY 654   2024-07-21   
307-452 0 Casper WY   450F ONVOY, LLC - WY 654      
307-452 1 Casper WY   450F ONVOY, LLC - WY 654      
307-452 2 Casper WY   450F ONVOY, LLC - WY 654      
307-452 5 Casper WY   9416 LEVEL 3 COMMUNICATIONS, LLC - WY 654      
307-452 8 Casper WY   732J NUSO, LLC 654      
307-452 9 Casper WY   732J NUSO, LLC 654      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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