Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 568G PEERLESS NETWORK OF MARYLAND, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-308 A Towson MD BLTQMD01DS0  238      
667-308 8 Towson MD   238   2013-01-11   
667-322 9 Waterloo (Washington DC LATA) MD   236   2021-07-13   
667-329 9 Parkton MD   238   2024-03-22   
667-337 9 Centreville MD   242   2021-12-25   
667-340 9 Churchville MD   238   2021-11-01   
667-353 0 Cardiff MD   238   2020-10-28   
667-359 5 Columbia MD   238   2022-08-27   
667-363 3 Sherwood Forest MD   238   2024-12-19   
667-363 9 Sherwood Forest MD   238   2024-11-20   
667-364 2 Stevensville MD   242   2018-11-20   
667-370 8 Parkton MD   238   2024-12-19   
667-380 9 Annapolis MD   238   2021-11-01   
667-387 5 Perryville MD   238   2022-01-28   
667-398 8 Port Deposit MD   238   2024-05-18   
667-409 5 Parkville MD   238   2023-07-24   
667-427 9 West River MD   238   2022-01-28   
667-436 2 Towson MD   238   2024-11-20   
667-444 2 Baltimore MD   238   2016-11-05   
667-444 3 Baltimore MD   238   2016-11-05   
667-444 7 Baltimore MD   238   2016-11-05   
667-451 7 Fork MD   238   2024-06-20   
667-454 5 Bel Air MD   238   2024-02-23   
667-458 7 Annapolis MD   238   2016-08-26   
667-460 5 Pikesville MD   238   2024-02-23   
667-463 9 Darlington MD   238   2024-06-20   
667-466 9 Havre de Grace MD   238   2024-06-20   
667-473 2 Solomons MD   238   2018-12-08   
667-475 9 Crofton MD   238   2024-12-19   
667-476 5 Glenwood MD   238   2021-07-12   
667-477 9 Hampstead MD   238   2021-10-06   
667-491 1 Pikesville MD   238   2024-11-20   
667-664 9 Trappe MD   242   2024-12-19   
667-677 9 Baltimore MD   238   2016-11-05   
667-686 6 Ellicott City MD   238   2018-12-07   
667-688 7 Parkville MD   238   2024-09-28   
667-766 9 Stevensville MD   242   2024-03-22   
667-771 7 Baltimore MD   238   2016-11-05   
667-771 8 Baltimore MD   238   2016-11-05   
667-772 0 Sparks-Glencoe MD   238   2024-02-23   
667-776 0 Baltimore MD   238   2019-12-28   
667-777 A Severna Park MD BLTQMD01DS0  238      
667-777 7 Severna Park MD   238   2014-08-29   
667-808 A Easton MD SLBRMD90DS0  242      
667-808 0 Easton MD   242   2016-10-14   
667-832 9 Brooklyn Park-Linthicum MD   238   2022-04-26   
667-842 9 Woodlawn MD   238   2021-07-12   
667-866 2 Darlington MD   238   2019-03-08   
667-900 6 Baltimore MD   238   2020-04-15   
667-930 0 Baltimore MD   238   2015-11-07   

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

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