Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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North East, MD

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
443-877 5   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-877 6   318J COMCAST IP PHONE LLC 238   2007-12-30   
443-877 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2014-05-02   
443-877 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-01-08   
443-877 9   071F BANDWIDTH.COM CLEC, LLC - MD 238   2015-02-13   
443-967 A NRTEMDNERS0  9212 VERIZON MARYLAND, INC. 238      
443-967 0   9212 VERIZON MARYLAND, INC. 238      
443-967 1   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-967 2   228C IDT AMERICA, CORP. - MD 238   2012-01-08   
443-967 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2013-05-23   
443-967 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-08-22   
443-967 5   876D ONVOY, LLC - MD 238   2016-03-21   
443-967 6   876D ONVOY, LLC - MD 238   2016-03-21   
443-967 7   073H TELNYX LLC 238   2017-04-26   
443-967 8   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2013-05-04   
443-967 9   5562 METROPCS, INC. 238   2018-12-31   
667-647 A BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-06-26   
667-647 2   876D ONVOY, LLC - MD 238   2021-07-12   
667-647 3   876D ONVOY, LLC - MD 238   2021-07-12   
667-647 4   624H ONVOY SPECTRUM, LLC 238   2022-02-04   
667-647 6   624H ONVOY SPECTRUM, LLC 238   2021-06-26   
667-647 7   624H ONVOY SPECTRUM, LLC 238   2022-02-04   

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Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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