Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Baltimore, OH

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
220-204 A HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
220-204 0 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2021-12-18   
220-204 1 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2022-05-14   
220-204 2 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
220-204 3 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-03-11   
220-204 4 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-06-25   
220-204 5 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2021-06-25   
220-204 7 WOTNOH88X0Y  506J TWILIO INTERNATIONAL, INC. 324   2021-06-30   
220-204 8 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2021-05-27   
220-204 9 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2021-01-23   
220-666 A CLMBOHLT1MD  464C ONVOY, LLC - OH 324      
220-666 0 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-02-22   
220-666 1 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2019-02-22   
220-666 2 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2020-06-05   
220-666 3 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-09-04   
220-666 4 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-09-04   
220-666 5 CLMBOHLT7MD  073H TELNYX LLC 324   2021-01-21   
220-666 6 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2017-12-07   
220-666 7 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-12-13   
220-666 8 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2020-12-13   
220-666 9 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2017-12-18   
740-400 A CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324      
740-400 0 CLMBOH11XLZ  001F BANDWIDTH.COM CLEC, LLC - OH 324   2012-01-27   
740-400 1 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2014-10-20   
740-400 2 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2016-09-30   
740-400 3 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2016-03-29   
740-400 4 CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2007-02-14   
740-400 5 CLMKOHPEPS2  547D TIME WARNER CABLE INFORMATION SVCS (OHIO) - OH 324   2012-12-14   
740-400 6 CLMBOH1125Z  508J CENTURYLINK COMMUNICATIONS, LLC 324   2014-07-03   
740-400 7 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2017-08-15   
740-400 8 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2015-10-23   
740-400 9 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2015-05-15   
740-556 A HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324      
740-556 0 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-07-30   
740-556 1 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-07-30   
740-556 2 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-07-30   
740-556 3 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-07-30   
740-556 4 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-10-27   
740-556 5 CLMBOHLT1MD  464C ONVOY, LLC - OH 324   2023-10-27   
740-556 6 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2023-10-21   
740-556 7 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2023-09-18   
740-556 8 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2023-02-09   
740-556 9 HLRDOHEJGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 324   2022-10-10   
740-862 A BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 0 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 1 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 2 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 3 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 4 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      
740-862 5 BLTMOHXADS0  0615 FRONTIER NORTH, INC. - OH 324      

1 2 >>

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.