Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-509 7 Washington Zone 14 (Baltimore LATA) MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
240-712 7 Laurel (Baltimore LATA) MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
301-329 7 Ashton (Baltimore LATA) MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
301-494 6 Washington Zone 15 (Baltimore LATA) MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
410-291 7 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2017-08-03   
443-201 5 Westminster MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-203 7 West River MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-227 7 Port Deposit MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-230 7 Odenton MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-238 7 Parkton MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-247 7 Union Bridge MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-251 7 Catonsville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-256 7 North East MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-265 7 Fork MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-273 7 Reisterstown MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-297 6 Arbutus MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-328 7 Sykesville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-331 7 Taneytown MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-338 7 Sparks-Glencoe MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-339 7 Sherwood Forest MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-342 7 Solomons MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-347 7 Cardiff MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-383 7 Silver Run MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-384 8 Parkville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-399 7 Dundalk MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-402 7 Edgewood MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
443-408 7 Sparrows Point MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-410 A Glen Burnie MD 508J CENTURYLINK COMMUNICATIONS, LLC 238      
443-410 7 Glen Burnie MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-09-30   
443-412 7 Churchville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-432 7 Prince Frederick MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-441 7 Glenwood MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-489 7 Chase MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-494 7 Millersville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-499 7 Jarrettsville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-501 7 Pikesville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-502 7 Havre de Grace MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-565 7 Randallstown MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-578 7 Cockeysville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-584 7 Crofton MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-585 7 Darlington MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-593 7 Elkton MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-599 7 Severn MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-601 7 Fallston MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-620 7 Waterloo MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-639 7 Hampstead MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-646 7 North Beach MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-647 7 New Windsor MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
443-648 7 Essex MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-663 7 Woodlawn MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-699 7 Annapolis MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
443-770 7 Armiger-Gibson Island MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-776 7 Elkridge MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-787 7 Bel Air MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-02   
443-792 7 Brooklyn Park-Linthicum MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-04-03   
443-828 7 Ellicott City MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-906 7 Severna Park MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-914 6 Worthington MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-25   
443-917 7 Columbia MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
443-936 6 Elkridge MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2018-10-18   
443-947 7 Perryville MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2014-06-12   
667-207 7 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
667-231 7 Aberdeen MD 508J CENTURYLINK COMMUNICATIONS, LLC 236   2013-10-04   
667-308 7 Towson MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2013-10-01   
667-422 A Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238      
667-422 0 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 1 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 2 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 3 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 4 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 5 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 6 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 7 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 8 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   
667-422 9 Baltimore MD 508J CENTURYLINK COMMUNICATIONS, LLC 238   2023-02-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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