Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
227-203 9 Frederick MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-10-07   
240-212 A Oakland MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-225 A Frederick MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-226 3 Oakland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2020-10-28   
240-226 9 Oakland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2021-02-26   
240-231 A Hagerstown MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-251 A Highfield MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-275 A Grantsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-287 A Hancock MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-322 A McCoole MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-323 A Emmitsburg MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-369 A Mount Airy MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-378 A Cumberland MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-436 5 Buckeystown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-11   
240-436 9 Buckeystown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-06-19   
240-488 2 Oakland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-16   
240-549 8 Frederick MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-09   
240-591 0 Hagerstown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2020-04-15   
240-647 A Clear Spring MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-648 A Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-648 3 Keedysville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-11-20   
240-649 A Smithsburg MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-649 3 Smithsburg MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-11-20   
240-649 8 Smithsburg MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-10-28   
240-656 6 Frederick MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2020-10-28   
240-664 A Cumberland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-664 9 Cumberland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-05-04   
240-679 A Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
240-680 A Frederick MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-680 9 Frederick MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-12-20   
240-693 A Walkersville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-693 9 Walkersville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-11-25   
240-734 5 Smithsburg MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-11   
240-769 9 Keedysville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-10-27   
240-785 9 Oakland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2021-12-02   
240-816 8 Keedysville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-03-11   
240-829 A Emmitsburg MD 469J CORETEL MARYLAND, INC. - MD 240      
240-829 4 Emmitsburg MD 469J CORETEL MARYLAND, INC. - MD 240   2019-11-11   
240-850 A Hagerstown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-850 0 Hagerstown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2016-07-16   
240-850 1 Hagerstown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2016-07-16   
240-850 6 Hagerstown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2018-11-20   
240-860 A Cumberland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-860 0 Cumberland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2016-10-14   
240-860 9 Cumberland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2017-03-02   
240-915 6 New Market MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2019-10-21   
240-916 7 Cumberland MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-09-22   
240-933 9 Buckeystown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-10-27   
240-983 9 Hagerstown MD 568G PEERLESS NETWORK OF MARYLAND, LLC 240   2023-09-22   
301-750 A Friendsville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-799 A Keedysville MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-857 A Clear Spring MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
301-882 A New Market MD 2593 CORE COMMUNICATIONS, INC.- MD 240      
304-821 A Inwood WV 5833 CORETEL WEST VIRGINIA, INC. - WV 240      
667-364 2 Stevensville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 242   2018-11-20   
667-766 9 Stevensville MD 568G PEERLESS NETWORK OF MARYLAND, LLC 242   2024-03-22   

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

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