Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-423 A Columbia MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-427 A Towson MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-510 A Fork MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-513 A Parkville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-559 A Pikesville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-564 A Elkridge MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-568 A Cockeysville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-649 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-689 A Glen Burnie MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-776 A Bel Air MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-818 A Catonsville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-843 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-951 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-972 A Annapolis MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-267 A Darlington MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-272 A Randallstown MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-297 A Arbutus MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-343 A Millersville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-348 A Woodlawn MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-360 A Aberdeen MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 236      
443-376 A Dundalk MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-392 A Baltimore MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-402 A Edgewood MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-406 A Elkton MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-412 A Churchville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-417 A Fallston MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-424 A Cardiff MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-441 A Glenwood MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-457 A Brooklyn Park-Linthicum MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-489 A Chase MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-502 A Havre de Grace MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-507 A Hampstead MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-533 A Jarrettsville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-648 A Essex MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-671 A New Windsor MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-672 A Parkton MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-674 A North East MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-679 A Severn MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-693 A Perryville MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-698 A Odenton MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-731 A Port Deposit MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-732 A Silver Run MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-784 A Armiger-Gibson Island MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-914 A Worthington MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-918 A Taneytown MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-937 A Union Bridge MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-943 A Sparrows Point MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
443-974 A Westminster MD 7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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