Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDCHX7X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-540 0 Washington Zone 13 (Baltimore LATA) MD 073H TELNYX LLC 238   2019-09-27   
240-653 8 Laurel (Baltimore LATA) MD 073H TELNYX LLC 238   2019-09-27   
240-763 9 Washington Zone 15 (Baltimore LATA) MD 073H TELNYX LLC 238   2017-04-26   
240-842 8 Washington Zone 14 (Baltimore LATA) MD 073H TELNYX LLC 238   2017-04-26   
240-859 0 Ashton (Baltimore LATA) MD 073H TELNYX LLC 238   2017-04-26   
410-314 4 Arbutus MD 073H TELNYX LLC 238   2017-03-14   
410-378 7 Port Deposit MD 073H TELNYX LLC 238   2020-10-18   
410-429 8 Worthington MD 073H TELNYX LLC 238   2017-04-26   
410-559 1 Pikesville MD 073H TELNYX LLC 238   2017-03-14   
410-589 2 Brooklyn Park-Linthicum MD 073H TELNYX LLC 238   2017-04-25   
410-709 0 Sparrows Point MD 073H TELNYX LLC 238   2017-04-26   
410-816 9 Towson MD 073H TELNYX LLC 238   2017-03-14   
443-218 5 Worthington MD 073H TELNYX LLC 238   2023-08-12   
443-227 0 Port Deposit MD 073H TELNYX LLC 238   2017-04-26   
443-238 8 Parkton MD 073H TELNYX LLC 238   2017-04-26   
443-247 8 Union Bridge MD 073H TELNYX LLC 238   2017-04-26   
443-339 0 Sherwood Forest MD 073H TELNYX LLC 238   2017-04-26   
443-347 8 Cardiff MD 073H TELNYX LLC 238   2017-04-26   
443-355 0 Ellicott City MD 073H TELNYX LLC 238   2017-03-14   
443-363 8 Severn MD 073H TELNYX LLC 238   2017-04-25   
443-383 8 Silver Run MD 073H TELNYX LLC 238   2017-04-26   
443-396 8 Odenton MD 073H TELNYX LLC 238   2017-04-26   
443-441 3 Glenwood MD 073H TELNYX LLC 238   2017-04-26   
443-461 8 Parkville MD 073H TELNYX LLC 238   2017-03-14   
443-484 1 Edgewood MD 073H TELNYX LLC 238   2017-03-14   
443-526 5 Havre de Grace MD 073H TELNYX LLC 238   2017-04-26   
443-530 8 Dundalk MD 073H TELNYX LLC 238   2017-04-25   
443-533 0 Jarrettsville MD 073H TELNYX LLC 238   2017-04-26   
443-541 7 Cockeysville MD 073H TELNYX LLC 238   2017-03-14   
443-576 9 Randallstown MD 073H TELNYX LLC 238   2017-04-25   
443-582 0 Churchville MD 073H TELNYX LLC 238   2017-04-26   
443-585 6 Darlington MD 073H TELNYX LLC 238   2017-04-26   
443-601 8 Fallston MD 073H TELNYX LLC 238   2017-04-25   
443-606 8 Fork MD 073H TELNYX LLC 238   2017-04-25   
443-609 5 Sykesville MD 073H TELNYX LLC 238   2017-04-26   
443-639 0 Hampstead MD 073H TELNYX LLC 238   2017-04-26   
443-640 9 Bel Air MD 073H TELNYX LLC 238   2021-03-04   
443-645 9 Millersville MD 073H TELNYX LLC 238   2017-04-26   
443-646 9 North Beach MD 073H TELNYX LLC 238   2017-04-26   
443-647 5 New Windsor MD 073H TELNYX LLC 238   2017-04-26   
443-650 7 Reisterstown MD 073H TELNYX LLC 238   2017-04-25   
443-662 6 Sparks-Glencoe MD 073H TELNYX LLC 238   2017-04-26   
443-729 3 Woodlawn MD 073H TELNYX LLC 238   2017-04-25   
443-777 0 Essex MD 073H TELNYX LLC 238   2017-03-14   
443-899 4 Waterloo MD 073H TELNYX LLC 238   2017-04-26   
443-936 0 Elkridge MD 073H TELNYX LLC 238   2017-04-25   
443-941 3 Elkton MD 073H TELNYX LLC 238   2021-03-04   
443-947 9 Perryville MD 073H TELNYX LLC 238   2017-04-26   
443-951 6 Annapolis MD 073H TELNYX LLC 238   2022-12-26   
443-967 7 North East MD 073H TELNYX LLC 238   2017-04-26   
443-971 0 Taneytown MD 073H TELNYX LLC 238   2017-04-26   
667-201 7 Bel Air MD 073H TELNYX LLC 238   2017-03-14   
667-215 5 Elkton MD 073H TELNYX LLC 238   2017-03-14   
667-222 8 Armiger-Gibson Island MD 073H TELNYX LLC 238   2017-04-25   
667-240 0 Columbia MD 073H TELNYX LLC 238   2017-03-14   
667-307 2 Crofton MD 073H TELNYX LLC 238   2017-04-26   
667-314 4 Westminster MD 073H TELNYX LLC 238   2017-03-14   
667-321 8 Prince Frederick MD 073H TELNYX LLC 238   2017-03-14   
667-344 A Chase MD 073H TELNYX LLC 238      
667-344 0 Chase MD 073H TELNYX LLC 238   2017-04-26   
667-352 3 Aberdeen MD 073H TELNYX LLC 236   2017-03-14   
667-398 9 Port Deposit MD 073H TELNYX LLC 238   2022-12-26   
667-399 6 Union Bridge MD 073H TELNYX LLC 238   2022-09-09   
667-402 A Baltimore MD 073H TELNYX LLC 238      
667-402 1 Baltimore MD 073H TELNYX LLC 238   2017-01-23   
667-407 0 Baltimore MD 073H TELNYX LLC 238   2022-10-21   
667-421 A Columbia MD 073H TELNYX LLC 238      
667-421 8 Columbia MD 073H TELNYX LLC 238   2023-04-24   
667-458 4 Annapolis MD 073H TELNYX LLC 238   2017-03-14   
667-666 8 West River MD 073H TELNYX LLC 238   2017-04-26   
667-777 9 Severna Park MD 073H TELNYX LLC 238   2017-03-14   
667-802 6 Catonsville MD 073H TELNYX LLC 238   2017-03-14   
667-803 9 Solomons MD 073H TELNYX LLC 238   2017-04-26   
667-925 9 Bel Air MD 073H TELNYX LLC 238   2023-07-13   
667-967 7 Glen Burnie MD 073H TELNYX LLC 238   2017-03-14   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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