Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 525E ONVOY, LLC - TN

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
423-518 2 Elizabethton TN JHCYTNXCXPX  956   2022-09-29   
423-518 5 Elizabethton TN JHCYTNXCXPX  956   2022-09-29   
423-520 4 Madisonville TN KNVLTNMA49Z  474   2018-04-02   
423-520 8 Madisonville TN KNVLTNMA49Z  474   2022-12-31   
423-522 1 Morristown TN KNVLTNMA49Z  474   2023-09-09   
423-522 8 Morristown TN KNVLTNMA49Z  474   2023-09-09   
423-522 9 Morristown TN KNVLTNMA49Z  474   2023-09-09   
423-523 8 Bulls Gap TN KNVLTNMA49Z  474   2016-06-09   
423-524 8 Johnson City TN JHCYTNXCXPX  956   2019-06-23   
423-524 9 Johnson City TN JHCYTNXCXPX  956   2019-06-23   
423-527 9 Soddy Daisy TN CHTGTNNSXKY  472   2023-09-09   
423-528 2 Baileyton TN JHCYTNXCXPX  956   2018-06-09   
423-528 8 Baileyton TN JHCYTNXCXPX  956   2019-06-06   
423-528 9 Baileyton TN JHCYTNXCXPX  956   2019-06-06   
423-529 1 Georgetown TN CHTGTNNSXKY  472   2013-07-19   
423-529 4 Georgetown TN CHTGTNNSXKY  472   2016-03-28   
423-529 5 Georgetown TN CHTGTNNSXKY  472   2016-03-28   
423-536 7 Sweetwater TN KNVLTNMA49Z  474   2006-06-16   
423-537 4 Bulls Gap TN KNVLTNMA49Z  474   2018-03-31   
423-537 6 Bulls Gap TN KNVLTNMA49Z  474   2016-03-25   
423-537 8 Bulls Gap TN KNVLTNMA49Z  474   2016-03-25   
423-540 A Newport TN KNVLTNMA49Z  474      
423-540 0 Newport TN KNVLTNMA49Z  474   2018-04-18   
423-540 1 Newport TN KNVLTNMA49Z  474   2018-04-19   
423-540 4 Newport TN KNVLTNMA49Z  474   2021-03-04   
423-540 5 Newport TN KNVLTNMA49Z  474   2020-12-21   
423-540 8 Newport TN KNVLTNMA49Z  474   2022-05-21   
423-540 9 Newport TN KNVLTNMA49Z  474   2021-07-30   
423-545 2 Madisonville TN KNVLTNMA49Z  474   2022-09-29   
423-545 5 Madisonville TN KNVLTNMA49Z  474   2021-10-25   
423-545 6 Madisonville TN KNVLTNMA49Z  474   2021-10-25   
423-545 7 Madisonville TN KNVLTNMA49Z  474   2022-09-29   
423-546 6 Bulls Gap TN KNVLTNMA49Z  474   2021-03-19   
423-546 7 Bulls Gap TN KNVLTNMA49Z  474   2021-03-19   
423-549 4 Johnson City TN JHCYTNXCXPX  956   2021-04-12   
423-549 5 Johnson City TN JHCYTNXCXPX  956   2021-04-12   
423-550 9 Midway (Washington) TN JHCYTNXCXPX  956   2023-09-16   
423-556 1 Soddy Daisy TN CHTGTNNSXKY  472   2019-06-23   
423-556 2 Soddy Daisy TN CHTGTNNSXKY  472   2019-06-23   
423-556 3 Soddy Daisy TN CHTGTNNSXKY  472   2019-10-13   
423-556 4 Soddy Daisy TN CHTGTNNSXKY  472   2019-10-13   
423-556 6 Soddy Daisy TN CHTGTNNSXKY  472   2020-03-28   
423-556 7 Soddy Daisy TN CHTGTNNSXKY  472   2020-03-28   
423-556 8 Soddy Daisy TN CHTGTNNSXKY  472   2019-04-12   
423-556 9 Soddy Daisy TN CHTGTNNSXKY  472   2019-04-12   
423-558 A Chattanooga TN CHTGTNNSXKY  472      
423-558 0 Chattanooga TN CHTGTNNSXKY  472   2007-03-17   
423-558 2 Chattanooga TN CHTGTNNSXKY  472   2018-06-11   
423-558 3 Chattanooga TN CHTGTNNSXKY  472   2019-05-24   
423-560 A Erwin TN JHCYTNXCXPX  956      

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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