Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
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   
301-301 4 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 5 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 6 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 7 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 8 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-301 9 Gaithersburg MD 876D ONVOY, LLC - MD 236   2022-10-23   
301-313 5 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2021-02-18   
301-321 A Washington Zone 11 MD 876D ONVOY, LLC - MD 236      
301-321 7 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2016-01-07   
301-321 8 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2016-01-07   
301-349 3 Poolesville MD 876D ONVOY, LLC - MD 236   2016-03-01   
301-355 3 Gaithersburg MD 876D ONVOY, LLC - MD 236   2008-10-05   
301-357 8 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2007-09-13   
301-364 0 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2012-06-20   
301-364 3 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2008-10-05   
301-373 1 Leonardtown MD 876D ONVOY, LLC - MD 236   2008-10-05   
301-381 A Washington Zone 2 MD 876D ONVOY, LLC - MD 236      
301-381 0 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 1 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 2 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 3 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 4 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 5 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 6 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 7 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 8 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-381 9 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-09-16   
301-389 2 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2022-08-21   
301-389 5 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2016-04-06   
301-389 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2016-04-06   
301-396 7 Waldorf MD 876D ONVOY, LLC - MD 236   2019-02-19   
301-398 7 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2003-11-09   
301-398 8 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2003-11-09   
301-398 9 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2003-11-09   
301-409 0 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-04-25   
301-409 3 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-12-12   
301-409 4 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-12-12   
301-409 5 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-12-12   
301-409 6 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2022-12-12   
301-414 8 Damascus MD 876D ONVOY, LLC - MD 236   2016-03-11   
301-417 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2015-06-27   
301-426 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2025-05-10   
301-433 7 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2015-06-27   
301-450 5 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2022-09-17   
301-450 6 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2022-09-17   
301-450 7 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2022-09-17   
301-450 8 Washington Zone 3 MD 876D ONVOY, LLC - MD 236   2022-09-17   
301-458 3 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-02-29   
301-477 0 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2024-09-15   
301-477 8 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2018-01-14   
301-477 9 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2018-01-14   
301-479 0 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2024-11-04   
301-479 5 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2023-06-17   
301-479 6 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2023-06-17   
301-479 8 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2023-06-17   
301-479 9 Washington Zone 13 MD 876D ONVOY, LLC - MD 236   2023-06-17   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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