Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-956 7 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2021-01-07   
240-957 2 Damascus MD 876D ONVOY, LLC - MD 236   2023-06-17   
240-957 3 Damascus MD 876D ONVOY, LLC - MD 236   2022-10-28   
240-957 4 Damascus MD 876D ONVOY, LLC - MD 236   2022-10-28   
240-957 5 Damascus MD 876D ONVOY, LLC - MD 236   2024-06-23   
240-957 6 Damascus MD 876D ONVOY, LLC - MD 236   2024-06-23   
240-960 5 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2022-10-17   
240-961 4 Poolesville MD 876D ONVOY, LLC - MD 236   2022-12-01   
240-961 5 Poolesville MD 876D ONVOY, LLC - MD 236   2022-12-01   
240-963 7 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2023-02-26   
240-966 4 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2022-10-15   
240-966 5 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2022-10-15   
240-966 8 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2023-08-10   
240-970 A Washington Zone 12 MD 876D ONVOY, LLC - MD 236      
240-970 1 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2016-01-11   
240-970 4 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2017-05-25   
240-970 7 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2015-08-01   
240-973 3 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2023-01-26   
240-973 4 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2023-01-26   
240-973 5 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2023-02-27   
240-973 6 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2023-02-27   
240-973 7 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2023-02-27   
240-974 1 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2023-02-23   
240-974 2 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2023-02-23   
240-977 A Washington Zone 6 MD 876D ONVOY, LLC - MD 236      
240-977 1 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-977 2 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-977 3 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-977 5 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-04-22   
240-977 6 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-04-22   
240-977 7 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-04-22   
240-977 8 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-977 9 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-980 1 Leonardtown MD 876D ONVOY, LLC - MD 236   2024-03-01   
240-980 2 Leonardtown MD 876D ONVOY, LLC - MD 236   2024-03-01   
240-980 3 Leonardtown MD 876D ONVOY, LLC - MD 236   2023-06-17   
240-980 4 Leonardtown MD 876D ONVOY, LLC - MD 236   2023-06-17   
240-980 5 Leonardtown MD 876D ONVOY, LLC - MD 236   2023-08-10   
240-980 6 Leonardtown MD 876D ONVOY, LLC - MD 236   2023-08-10   
240-980 7 Leonardtown MD 876D ONVOY, LLC - MD 236   2023-08-10   
240-980 8 Leonardtown MD 876D ONVOY, LLC - MD 236   2024-03-01   
240-980 9 Leonardtown MD 876D ONVOY, LLC - MD 236   2024-04-06   
240-981 4 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-981 5 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-981 6 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-981 7 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-981 8 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-981 9 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-982 A Gaithersburg MD 876D ONVOY, LLC - MD 236      
240-982 2 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-03-20   
240-982 3 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-03-20   
240-982 4 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-03-20   
240-982 5 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-05-18   
240-982 6 Gaithersburg MD 876D ONVOY, LLC - MD 236   2023-05-18   
240-982 9 Gaithersburg MD 876D ONVOY, LLC - MD 236   2024-07-06   
240-986 A Nanjemoy MD 876D ONVOY, LLC - MD 236      
240-986 3 Nanjemoy MD 876D ONVOY, LLC - MD 236   2012-10-07   
240-986 6 Nanjemoy MD 876D ONVOY, LLC - MD 236   2005-08-15   
240-986 7 Nanjemoy MD 876D ONVOY, LLC - MD 236      
240-986 9 Nanjemoy MD 876D ONVOY, LLC - MD 236   2005-08-15   
240-990 4 Laurel MD 876D ONVOY, LLC - MD 236   2023-06-19   
240-990 5 Laurel MD 876D ONVOY, LLC - MD 236   2023-06-19   
240-991 4 Ashton MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-991 5 Ashton MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-991 6 Ashton MD 876D ONVOY, LLC - MD 236   2023-09-14   
240-992 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2023-06-23   
240-993 4 Indian Head MD 876D ONVOY, LLC - MD 236   2021-07-12   
301-200 0 Indian Head MD 876D ONVOY, LLC - MD 236   2011-07-31   
301-220 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2021-02-18   
301-231 1 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2014-09-01   
301-234 7 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2018-09-13   
301-234 8 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2018-09-13   
301-235 1 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2019-02-19   
301-235 2 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2018-06-08   
301-235 8 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2019-02-19   
301-238 7 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2016-03-30   
301-238 8 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2016-03-30   
301-246 8 Nanjemoy MD 876D ONVOY, LLC - MD 236   2015-06-27   
301-250 1 Gaithersburg MD 876D ONVOY, LLC - MD 236   2012-02-29   
301-259 3 Tompkinsville MD 876D ONVOY, LLC - MD 236   2012-10-07   
301-263 3 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2016-02-14   
301-265 2 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2014-10-24   
301-265 3 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2014-10-24   
301-273 1 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2014-10-24   
301-273 7 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2014-10-24   
301-281 4 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2016-03-07   
301-281 6 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2016-03-07   
301-284 3 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2016-01-29   
301-287 4 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2017-12-08   
301-287 5 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2017-12-08   
301-287 6 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2017-12-08   
301-297 2 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2025-01-09   
301-297 3 Washington Zone 16 MD 876D ONVOY, LLC - MD 236   2021-04-02   
301-298 2 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2016-03-14   
301-298 3 Washington Zone 15 MD 876D ONVOY, LLC - MD 236   2016-03-14   
301-301 A Gaithersburg MD 876D ONVOY, LLC - MD 236      
301-301 0 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 1 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 2 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 3 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   

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

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