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.
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Switch: BLTQMD01BMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-759 9 Washington Zone 15 (Baltimore LATA) MD 516J TON80 COMMUNICATIONS, LLC 238      
240-820 6 Ashton (Baltimore LATA) MD 516J TON80 COMMUNICATIONS, LLC 238      
443-264 A Pikesville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
443-269 A Towson MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
443-337 A Sparrows Point MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
443-346 A Severna Park MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
443-431 A Randallstown MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
443-628 A Glen Burnie MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
443-946 A Parkville MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-268 8 Darlington MD 516J TON80 COMMUNICATIONS, LLC 238      
667-272 8 Westminster MD 516J TON80 COMMUNICATIONS, LLC 238      
667-275 2 Towson MD 516J TON80 COMMUNICATIONS, LLC 238      
667-283 5 Fork MD 516J TON80 COMMUNICATIONS, LLC 238      
667-325 3 Glen Burnie MD 516J TON80 COMMUNICATIONS, LLC 238      
667-363 8 Sherwood Forest MD 516J TON80 COMMUNICATIONS, LLC 238      
667-366 6 Hampstead MD 2593 CORE COMMUNICATIONS, INC.- MD 238      
667-374 6 Waterloo MD 516J TON80 COMMUNICATIONS, LLC 238      
667-375 2 Chase MD 516J TON80 COMMUNICATIONS, LLC 238      
667-378 3 Essex MD 516J TON80 COMMUNICATIONS, LLC 238      
667-386 6 Arbutus MD 516J TON80 COMMUNICATIONS, LLC 238      
667-388 4 Severn MD 516J TON80 COMMUNICATIONS, LLC 238      
667-393 2 Millersville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-394 6 New Windsor MD 516J TON80 COMMUNICATIONS, LLC 238      
667-426 8 Taneytown MD 516J TON80 COMMUNICATIONS, LLC 238      
667-427 3 West River MD 516J TON80 COMMUNICATIONS, LLC 238      
667-446 A Elkridge MD 516J TON80 COMMUNICATIONS, LLC 238      
667-446 6 Elkridge MD 516J TON80 COMMUNICATIONS, LLC 238      
667-464 A Baltimore MD 516J TON80 COMMUNICATIONS, LLC 238      
667-464 2 Baltimore MD 516J TON80 COMMUNICATIONS, LLC 238      
667-466 A Havre de Grace MD 516J TON80 COMMUNICATIONS, LLC 238      
667-466 3 Havre de Grace MD 516J TON80 COMMUNICATIONS, LLC 238      
667-622 A Pikesville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-622 6 Pikesville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-626 A Catonsville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-626 6 Catonsville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-646 A Annapolis MD 516J TON80 COMMUNICATIONS, LLC 238      
667-646 4 Annapolis MD 516J TON80 COMMUNICATIONS, LLC 238      
667-668 7 Fallston MD 516J TON80 COMMUNICATIONS, LLC 238      
667-737 A Perryville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-737 7 Perryville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-746 A Glenwood MD 516J TON80 COMMUNICATIONS, LLC 238      
667-746 7 Glenwood MD 516J TON80 COMMUNICATIONS, LLC 238      
667-772 9 Sparks-Glencoe MD 516J TON80 COMMUNICATIONS, LLC 238      
667-824 A Edgewood MD 516J TON80 COMMUNICATIONS, LLC 238      
667-824 3 Edgewood MD 516J TON80 COMMUNICATIONS, LLC 238      
667-832 A Brooklyn Park-Linthicum MD 516J TON80 COMMUNICATIONS, LLC 238      
667-832 4 Brooklyn Park-Linthicum MD 516J TON80 COMMUNICATIONS, LLC 238      
667-842 3 Woodlawn MD 516J TON80 COMMUNICATIONS, LLC 238      
667-846 A Cockeysville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-846 6 Cockeysville MD 516J TON80 COMMUNICATIONS, LLC 238      
667-848 A Aberdeen MD 516J TON80 COMMUNICATIONS, LLC 236      
667-848 3 Aberdeen MD 516J TON80 COMMUNICATIONS, LLC 236      
667-856 A Dundalk MD 516J TON80 COMMUNICATIONS, LLC 238      
667-856 7 Dundalk MD 516J TON80 COMMUNICATIONS, LLC 238      
667-925 A Bel Air MD 469J CORETEL MARYLAND, INC. - MD 238      
667-925 5 Bel Air MD 469J CORETEL MARYLAND, INC. - MD 238      
667-942 A Aberdeen MD 516J TON80 COMMUNICATIONS, LLC 236      
667-942 4 Aberdeen MD 516J TON80 COMMUNICATIONS, LLC 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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