Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Aberdeen, MD

<< 1 2 3 4 5

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
667-528 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-30   
667-528 5   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-27   
667-528 6   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-27   
667-528 7   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-27   
667-528 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-27   
667-528 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-10-27   
667-530 A   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-15   
667-530 0   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 1   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 2   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 3   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 4   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2026-01-02   
667-530 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-11-15   
667-531 A   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-28   
667-531 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-28   
667-531 9   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-12-28   
667-848 A BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 236      
667-848 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-11-04   
667-848 1 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 236   2021-11-26   
667-848 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-02-24   
667-848 3 BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 236   2021-05-09   
667-848 4 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2021-07-11   
667-848 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2021-07-11   
667-848 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2022-02-13   
667-848 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2022-02-13   
667-848 8   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2025-07-24   
667-848 9 BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 236   2021-11-26   
667-942 A BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 236      
667-942 0 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-06-13   
667-942 1 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-06-13   
667-942 2 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-11-06   
667-942 3 BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-11-06   
667-942 4 BLTQMD01BMD  516J TON80 COMMUNICATIONS, LLC 236   2022-04-10   
667-942 5 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2023-08-10   
667-942 6 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2023-08-10   
667-942 7 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2023-08-10   
667-942 8 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2023-08-10   
667-942 9 BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2023-08-10   

<< 1 2 3 4 5

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.