Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-486 9 Prince Frederick MD BLTMMDCH40Z  238   2024-07-01   
667-489 1 Hampstead MD   238   2025-05-17   
667-493 A Annapolis MD BLTMMDCH40Z  238   2024-11-25   
667-493 9 Annapolis MD BLTMMDCH40Z  238   2024-11-25   
667-494 A Aberdeen MD BLTMMDCH40Z  236   2024-12-26   
667-494 0 Aberdeen MD   236   2025-02-24   
667-494 1 Aberdeen MD   236   2025-03-31   
667-494 2 Aberdeen MD   236   2025-03-31   
667-494 3 Aberdeen MD   236   2025-03-31   
667-494 4 Aberdeen MD   236   2025-03-31   
667-494 5 Aberdeen MD   236   2025-05-09   
667-494 6 Aberdeen MD   236   2025-05-09   
667-494 7 Aberdeen MD   236   2025-05-09   
667-494 8 Aberdeen MD   236   2025-05-09   
667-494 9 Aberdeen MD BLTMMDCH40Z  236   2024-12-26   
667-497 1 Ocean City MD   242   2025-06-13   
667-497 2 Ocean City MD   242   2025-07-31   
667-497 3 Ocean City MD   242   2025-07-31   
667-497 4 Ocean City MD   242   2025-08-21   
667-497 5 Ocean City MD   242   2025-08-21   
667-507 0 Severn MD   238   2025-08-11   
667-509 A Severna Park MD   238   2025-07-11   
667-509 9 Severna Park MD   238   2025-07-11   
667-517 A Catonsville MD BLTMMDCH40Z  238   2024-12-23   
667-517 9 Catonsville MD BLTMMDCH40Z  238   2024-12-23   
667-520 A Aberdeen MD   236   2025-08-21   
667-520 0 Aberdeen MD   236   2025-08-28   
667-520 1 Aberdeen MD   236   2025-08-28   
667-520 2 Aberdeen MD   236   2025-08-28   
667-520 3 Aberdeen MD   236   2025-09-29   
667-520 4 Aberdeen MD   236   2025-09-29   
667-520 5 Aberdeen MD   236   2025-09-29   
667-520 6 Aberdeen MD   236   2025-08-21   
667-520 7 Aberdeen MD   236   2025-08-21   
667-520 8 Aberdeen MD   236   2025-08-21   
667-520 9 Aberdeen MD   236   2025-08-21   
667-522 A Aberdeen MD   236   2025-09-25   
667-522 1 Aberdeen MD   236   2025-11-20   
667-522 2 Aberdeen MD   236   2025-11-20   
667-522 3 Aberdeen MD   236   2025-11-20   
667-522 4 Aberdeen MD   236   2025-11-20   
667-522 5 Aberdeen MD   236   2025-10-18   
667-522 6 Aberdeen MD   236   2025-10-18   
667-522 7 Aberdeen MD   236   2025-10-18   
667-522 8 Aberdeen MD   236   2025-10-18   
667-522 9 Aberdeen MD   236   2025-09-25   
667-528 A Aberdeen MD   236   2025-10-27   
667-528 0 Aberdeen MD   236   2025-11-30   
667-528 1 Aberdeen MD   236   2025-11-30   
667-528 2 Aberdeen MD   236   2025-11-30   
667-528 5 Aberdeen MD   236   2025-10-27   
667-528 6 Aberdeen MD   236   2025-10-27   
667-528 7 Aberdeen MD   236   2025-10-27   
667-528 8 Aberdeen MD   236   2025-10-27   
667-528 9 Aberdeen MD   236   2025-10-27   
667-530 A Aberdeen MD   236   2025-11-15   
667-530 9 Aberdeen MD   236   2025-11-15   
667-531 A Aberdeen MD   236   2025-12-28   
667-531 8 Aberdeen MD   236   2025-12-28   
667-531 9 Aberdeen MD   236   2025-12-28   
667-600 1 Baltimore MD BLTMMDCH40Z  238   2016-02-06   
667-600 8 Baltimore MD BLTMMDCH40Z  238   2016-02-06   
667-600 9 Baltimore MD BLTMMDCH40Z  238   2016-02-06   
667-646 0 Annapolis MD BLTMMDCH40Z  238   2021-04-19   
667-646 1 Annapolis MD BLTMMDCH40Z  238   2021-05-19   
667-646 8 Annapolis MD BLTMMDCH40Z  238   2021-07-08   
667-646 9 Annapolis MD BLTMMDCH40Z  238   2021-09-09   
667-647 9 North East MD   238   2025-09-20   
667-657 0 Chase MD BLTMMDCH40Z  238   2021-07-30   
667-657 8 Chase MD BLTMMDCH40Z  238   2021-09-22   
667-657 9 Chase MD BLTMMDCH40Z  238   2021-09-22   
667-677 0 Baltimore MD BLTMMDCH40Z  238   2016-02-06   
667-677 1 Baltimore MD BLTMMDCH40Z  238   2016-02-06   
667-678 0 Columbia MD BLTMMDCH40Z  238   2021-10-16   
667-678 1 Columbia MD BLTMMDCH40Z  238   2021-10-16   
667-688 0 Parkville MD BLTMMDCH40Z  238   2021-01-01   
667-755 0 Pikesville MD BLTMMDCH40Z  238   2022-01-01   
667-755 1 Pikesville MD BLTMMDCH40Z  238   2022-01-01   
667-755 2 Pikesville MD BLTMMDCH40Z  238   2022-01-01   
667-755 3 Pikesville MD BLTMMDCH40Z  238   2022-01-01   
667-755 8 Pikesville MD BLTMMDCH40Z  238   2022-01-01   
667-755 9 Pikesville MD BLTMMDCH40Z  238   2022-01-01   
667-770 0 Baltimore MD BLTMMDCH40Z  238   2015-11-09   
667-770 2 Baltimore MD BLTMMDCH40Z  238   2015-11-09   
667-770 3 Baltimore MD BLTMMDCH40Z  238   2015-11-09   
667-770 4 Baltimore MD BLTMMDCH40Z  238   2015-11-09   
667-770 8 Baltimore MD BLTMMDCH40Z  238   2015-11-09   
667-770 9 Baltimore MD BLTMMDCH40Z  238   2015-11-09   
667-786 8 Columbia MD BLTMMDCH40Z  238   2016-02-06   
667-786 9 Columbia MD BLTMMDCH40Z  238   2016-02-06   
667-802 A Catonsville MD BLTMMDCH40Z  238      
667-802 0 Catonsville MD BLTMMDCH40Z  238   2015-07-23   
667-802 7 Catonsville MD BLTMMDCH40Z  238   2019-09-13   
667-802 9 Catonsville MD BLTMMDCH40Z  238   2015-04-20   
667-808 8 Easton MD SLBRMDSCXMD  242   2020-04-20   
667-832 3 Brooklyn Park-Linthicum MD   238   2023-04-03   
667-846 7 Cockeysville MD   238   2025-08-11   
667-848 0 Aberdeen MD BLTMMDCH40Z  236   2021-11-04   
667-848 2 Aberdeen MD BLTMMDCH40Z  236   2022-02-24   
667-848 8 Aberdeen MD   236   2025-07-24   

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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