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NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-503 A Baltimore MD   624H ONVOY SPECTRUM, LLC 238   2025-03-22   
667-504 A Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-03-27   
667-505 A Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-04-06   
667-506 A Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-04   
667-507 A Severn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-05-11   
667-508 A Woodlawn MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-13   
667-509 A Severna Park MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2025-07-11   
667-510 A Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-06-29   
667-512 A Pikesville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-12   
667-513 A Baltimore MD   616J LEAP TELECOM, LLC 238   2025-07-17   
667-514 A Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-04   
667-515 A Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-07-21   
667-517 A Catonsville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2024-12-23   
667-526 A Centreville MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-529 A Hurlock MD SLBRMD90AMD  965H FRACTEL, LLC 242      
667-545 A Warwick MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-566 A Stevensville MD SLBRMDXZ0MD  939H COMMIO, LLC 242      
667-567 A Havre de Grace MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-576 A Jarrettsville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-577 A Elkton MD BLTQMD01AMD  965H FRACTEL, LLC 238      
667-596 A Pikesville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2025-01-02   
667-600 A Baltimore MD BLTMMDCHXMD  139F WORLDCALL INTERCONNECT INC. 238      
667-622 A Pikesville MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-626 A Catonsville MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-627 A Annapolis MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-644 A Severna Park MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-646 A Annapolis MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-647 A North East MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-653 A Brooklyn Park-Linthicum MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-656 A Edgewood MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-657 A Chase MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-660 A Marion MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-661 A Snow Hill MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-662 A Smith Island MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-663 A Ocean City MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-664 A Trappe MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-665 A Hillsboro MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-666 A West River MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-668 A Fallston MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-669 A Galena MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-670 A Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-676 A Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-677 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-678 A Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-686 A Ellicott City MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-687 A Warwick MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-688 A Parkville MD BLTQMD01AMD  965H FRACTEL, LLC 238      
667-693 A Vienna MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-701 A Elkridge MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-706 A Elkton MD BLTMMDCH40Z  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 238      
667-722 A Glenwood MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-727 A Sudlersville MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-737 A Perryville MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-743 A Queenstown MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-746 A Glenwood MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-755 A Pikesville MD BLTMMDCHX3Y  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
667-758 A Silver Run MD BLTQMD01AMD  965H FRACTEL, LLC 238      
667-766 A Stevensville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-767 A St Michaels MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-770 A Baltimore MD BLTMMD915MD  691H AIRUS, INC. - MD 238      
667-771 A Baltimore MD BLTMMDCHYMD  530H WIDE VOICE, LLC - MD 238      
667-772 A Sparks-Glencoe MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-775 A Millington MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-776 A Baltimore MD BLTMMDCHXVX  321J HD CARRIER LLC 238      
667-777 A Severna Park MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238      
667-778 A Sparrows Point MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
667-786 A Columbia MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-788 A Westminster MD BLTMMD91DS2  2596 QUANTUM TELECOMMUNICATIONS, INC. - MD 238      
667-800 A Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-802 A Catonsville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
667-803 A Solomons MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-808 A Easton MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242      
667-810 A Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-812 A Waterloo (Washington DC LATA) MD LARLMDDYDS0  9212 VERIZON MARYLAND, INC. 236      
667-824 A Edgewood MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-827 A Berlin MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242      
667-832 A Brooklyn Park-Linthicum MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-837 A Port Deposit MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-842 A Woodlawn MD BLTQMD01AMD  965H FRACTEL, LLC 238      
667-843 A Deal Island MD ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-846 A Cockeysville MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-848 A Aberdeen MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 236      
667-853 A Pocomoke MD SLBRMD90DS0  469J CORETEL MARYLAND, INC. - MD 242      
667-855 A Salisbury MD SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242      
667-856 A Dundalk MD BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 238      
667-866 A Darlington MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-867 A Baltimore MD BLTQMD013MD  939H COMMIO, LLC 238      
667-868 A Crisfield MD SLBRMDSBX7Y  792K CHARTER IP ENABLED SERVICES, LLC 242      
667-876 A Annapolis MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-877 A Pikesville MD BLTMMDSNFMD  939H COMMIO, LLC 238      
667-887 A Worthington MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-888 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-890 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-891 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-892 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-893 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-894 A Odenton MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
667-895 A Baltimore MD BLTMMDCHXMX  506J TWILIO INTERNATIONAL, INC. 238      
667-897 A Chesapeake City MD SLBRMDSBX2Y  506J TWILIO INTERNATIONAL, INC. 242      
667-899 A Baltimore MD BLTQMD01AMD  965H FRACTEL, LLC 238      

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

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