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.

Switch: CMLDMDCMEMD

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-915 8 New Market MD 876D ONVOY, LLC - MD 240   2016-10-02   
240-916 1 Cumberland MD 876D ONVOY, LLC - MD 240   2024-03-01   
240-916 2 Cumberland MD 876D ONVOY, LLC - MD 240   2024-03-01   
240-916 3 Cumberland MD 876D ONVOY, LLC - MD 240   2024-04-04   
240-916 4 Cumberland MD 876D ONVOY, LLC - MD 240   2024-06-23   
240-924 2 Mount Airy MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-924 3 Mount Airy MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-924 4 Mount Airy MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-924 5 Mount Airy MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-924 6 Mount Airy MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-924 7 Mount Airy MD 876D ONVOY, LLC - MD 240   2024-04-05   
240-931 5 Frederick MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-931 6 Frederick MD 876D ONVOY, LLC - MD 240   2023-08-10   
240-933 0 Buckeystown MD 876D ONVOY, LLC - MD 240   2024-06-23   
240-934 4 Middletown MD 876D ONVOY, LLC - MD 240   2021-07-11   
240-934 5 Middletown MD 876D ONVOY, LLC - MD 240   2021-07-11   
240-942 A Bittinger MD 876D ONVOY, LLC - MD 240      
240-942 0 Bittinger MD 876D ONVOY, LLC - MD 240   2021-05-15   
240-942 1 Bittinger MD 876D ONVOY, LLC - MD 240   2021-05-15   
240-942 2 Bittinger MD 876D ONVOY, LLC - MD 240   2021-05-21   
240-942 3 Bittinger MD 876D ONVOY, LLC - MD 240   2021-09-20   
240-942 4 Bittinger MD 876D ONVOY, LLC - MD 240   2021-05-14   
240-944 A Westernport MD 876D ONVOY, LLC - MD 240      
240-944 0 Westernport MD 876D ONVOY, LLC - MD 240   2021-05-15   
240-944 1 Westernport MD 876D ONVOY, LLC - MD 240   2021-05-15   
240-944 5 Westernport MD 876D ONVOY, LLC - MD 240   2021-05-21   
240-944 6 Westernport MD 876D ONVOY, LLC - MD 240   2021-05-14   
240-967 3 Cumberland MD 876D ONVOY, LLC - MD 240   2025-05-03   
240-969 2 Walkersville MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-969 3 Walkersville MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-969 4 Walkersville MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-969 5 Walkersville MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-969 6 Walkersville MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-969 7 Walkersville MD 876D ONVOY, LLC - MD 240   2024-03-02   
240-969 8 Walkersville MD 876D ONVOY, LLC - MD 240   2024-04-05   
240-983 2 Hagerstown MD 876D ONVOY, LLC - MD 240   2023-04-20   
240-983 3 Hagerstown MD 876D ONVOY, LLC - MD 240   2023-04-20   
240-983 6 Hagerstown MD 876D ONVOY, LLC - MD 240   2024-12-14   
240-984 0 New Market MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-984 1 New Market MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-984 2 New Market MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-984 3 New Market MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-984 4 New Market MD 876D ONVOY, LLC - MD 240   2023-10-22   
240-984 5 New Market MD 876D ONVOY, LLC - MD 240   2023-06-16   
240-985 8 Williamsport MD 876D ONVOY, LLC - MD 240   2020-01-06   
240-985 9 Williamsport MD 876D ONVOY, LLC - MD 240   2020-01-06   
240-989 7 Myersville MD 876D ONVOY, LLC - MD 240   2023-06-26   
240-995 A Flintstone MD 876D ONVOY, LLC - MD 240      
240-995 1 Flintstone MD 876D ONVOY, LLC - MD 240   2020-07-09   
240-995 5 Flintstone MD 876D ONVOY, LLC - MD 240   2021-03-04   
240-996 5 Brunswick MD 876D ONVOY, LLC - MD 240   2020-01-05   
240-996 8 Brunswick MD 876D ONVOY, LLC - MD 240   2020-01-05   
240-996 9 Brunswick MD 876D ONVOY, LLC - MD 240   2026-01-10   
240-998 1 Hancock MD 876D ONVOY, LLC - MD 240   2017-12-14   
240-998 8 Hancock MD 876D ONVOY, LLC - MD 240   2020-01-06   
240-998 9 Hancock MD 876D ONVOY, LLC - MD 240   2020-01-06   
301-245 5 Bittinger MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-245 8 Bittinger MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-264 9 Mount Savage MD 876D ONVOY, LLC - MD 240   2021-07-11   
301-453 4 Kitzmiller MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-453 8 Kitzmiller MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-478 8 Flintstone MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-478 9 Flintstone MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-673 1 Frederick MD 876D ONVOY, LLC - MD 240   2023-08-10   
301-673 3 Frederick MD 876D ONVOY, LLC - MD 240   2023-08-10   
301-678 1 Hancock MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-687 8 Frostburg MD 876D ONVOY, LLC - MD 240   2004-02-15   
301-709 1 Cumberland MD 876D ONVOY, LLC - MD 240   2020-11-07   
301-709 3 Cumberland MD 876D ONVOY, LLC - MD 240   2020-01-05   
301-709 4 Cumberland MD 876D ONVOY, LLC - MD 240   2020-01-05   
301-709 5 Cumberland MD 876D ONVOY, LLC - MD 240   2020-02-10   
301-709 6 Cumberland MD 876D ONVOY, LLC - MD 240   2020-02-10   
301-709 7 Cumberland MD 876D ONVOY, LLC - MD 240   2020-02-10   
301-709 8 Cumberland MD 876D ONVOY, LLC - MD 240   2020-02-10   
301-709 9 Cumberland MD 876D ONVOY, LLC - MD 240   2020-11-07   
301-712 4 Frederick MD 876D ONVOY, LLC - MD 240   2026-01-19   
301-745 9 Hagerstown MD 876D ONVOY, LLC - MD 240   2025-05-03   
301-750 1 Friendsville MD 876D ONVOY, LLC - MD 240   2016-09-29   
301-750 9 Friendsville MD 876D ONVOY, LLC - MD 240   2016-09-29   
301-786 3 McCoole MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-786 5 McCoole MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-834 1 Brunswick MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-835 1 Frederick MD 876D ONVOY, LLC - MD 240   2020-11-07   
301-835 2 Frederick MD 876D ONVOY, LLC - MD 240   2020-11-07   
301-857 4 Clear Spring MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-857 5 Clear Spring MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-859 6 Oakland MD 876D ONVOY, LLC - MD 240   2020-01-06   
301-859 7 Oakland MD 876D ONVOY, LLC - MD 240   2020-01-06   
301-895 7 Grantsville MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-895 9 Grantsville MD 876D ONVOY, LLC - MD 240   2016-09-12   
301-969 9 Brunswick MD 876D ONVOY, LLC - MD 240   2016-09-12   
304-500 5 Berkeley Springs WV 449F ONVOY, LLC - WV 240   2019-07-16   
304-500 8 Berkeley Springs WV 449F ONVOY, LLC - WV 240   2019-07-16   
304-596 5 Martinsburg WV 449F ONVOY, LLC - WV 240      
304-596 6 Martinsburg WV 449F ONVOY, LLC - WV 240      
304-596 9 Martinsburg WV 449F ONVOY, LLC - WV 240      
304-597 A Keyser WV 449F ONVOY, LLC - WV 240      
304-597 3 Keyser WV 449F ONVOY, LLC - WV 240      
304-885 1 Charles Town WV 449F ONVOY, LLC - WV 240   2019-07-16   
304-944 3 Berkeley Springs WV 449F ONVOY, LLC - WV 240   2018-11-18   

<< 1 2 3 4 5 6 >>

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.