Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Border, WY

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
307-230 A BOISIDMAXYX  081F BANDWIDTH.COM CLEC, LLC - WY 652      
307-230 0 BOISIDMAXYX  081F BANDWIDTH.COM CLEC, LLC - WY 652   2022-09-18   
307-392 A BOISIDMAX2X  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 652      
307-392 0 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2012-12-13   
307-392 1 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2012-12-13   
307-392 2 BOISIDMAX2X  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 652   2012-11-09   
307-392 3 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2012-12-13   
307-392 4 BOISIDMAX2X  9416 LEVEL 3 COMMUNICATIONS, LLC - WY 652   2006-08-12   
307-392 5 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2019-09-07   
307-392 6 BOISIDMAXPX  508J CENTURYLINK COMMUNICATIONS, LLC 652   2014-07-29   
307-392 7 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2007-04-27   
307-392 8 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2011-06-05   
307-392 9 BOISIDPZ4MD  073H TELNYX LLC 652   2019-03-01   
307-500 A BOISIDMAXIX  450F ONVOY, LLC - WY 652      
307-500 1 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2021-07-11   
307-500 2 BOISIDMAXYX  081F BANDWIDTH.COM CLEC, LLC - WY 652   2021-06-14   
307-500 3 BOISIDMAX5Y  624H ONVOY SPECTRUM, LLC 652   2021-07-25   
307-500 4 BOISIDMAX5Y  624H ONVOY SPECTRUM, LLC 652   2021-11-14   
307-500 5 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2021-04-06   
307-500 6 BOISIDMAXIX  450F ONVOY, LLC - WY 652   2021-04-06   
307-500 7 BOISIDMAX5Y  624H ONVOY SPECTRUM, LLC 652   2021-11-14   
307-500 8 BOISIDMAAMD  6010 NEW CINGULAR WIRELESS PCS, LLC 652   2021-06-14   
307-500 9 BOISIDMAAMD  6010 NEW CINGULAR WIRELESS PCS, LLC 652   2021-06-14   
307-849 A MTPLIDMARS1  9636 QWEST CORPORATION 652      

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

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