Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDCH25Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-865 9 Washington Zone 14 (Baltimore LATA) MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-05   
301-307 7 Washington Zone 13 (Baltimore LATA) MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
301-329 9 Ashton (Baltimore LATA) MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
301-812 8 Washington Zone 15 (Baltimore LATA) MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-22   
410-238 9 Essex MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
410-324 9 Towson MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-07-17   
410-344 4 Chase MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-09   
410-399 5 Bel Air MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
410-452 2 Cardiff MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
410-557 5 Fork MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-13   
410-587 7 Arbutus MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-05-28   
410-650 1 Dundalk MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
410-692 1 Jarrettsville MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-18   
410-741 7 West River MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
410-775 3 Union Bridge MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-05   
410-781 2 Ellicott City MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
410-794 5 Columbia MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
410-807 4 Catonsville MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-13   
410-914 6 Churchville MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
410-999 2 Glen Burnie MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2010-11-06   
410-999 3 Glen Burnie MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2010-11-06   
410-999 6 Glen Burnie MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2003-07-26   
443-331 8 Taneytown MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-07-17   
443-419 8 Glenwood MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-456 9 Edgewood MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-457 4 Brooklyn Park-Linthicum MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
443-504 6 Fallston MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-14   
443-526 9 Havre de Grace MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-13   
443-585 5 Darlington MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-639 6 Hampstead MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-13   
443-663 0 Woodlawn MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
443-747 5 Port Deposit MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2006-05-04   
443-775 6 Annapolis MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-05-28   
443-776 6 Elkridge MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
443-914 5 Worthington MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-20   
443-933 3 Cockeysville MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-05   
443-941 1 Elkton MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 238   2015-06-11   
667-228 0 Aberdeen MD 8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 236   2015-05-25   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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