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
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 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   
301-313 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   
301-364 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   
301-389 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   
301-414 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   
301-433 7 Washington Zone 5 MD 876D ONVOY, LLC - MD 236   2015-06-27   
301-458 3 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2016-02-29   
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   
301-485 2 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2016-03-02   
301-485 4 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2016-04-28   
301-485 5 Washington Zone 6 MD 876D ONVOY, LLC - MD 236   2015-06-27   
301-517 6 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2018-01-13   
301-517 9 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2018-01-13   
301-547 7 Washington Zone 2 MD 876D ONVOY, LLC - MD 236   2020-12-03   
301-569 9 Gaithersburg MD 876D ONVOY, LLC - MD 236   2012-04-05   
301-579 7 Brandywine MD 876D ONVOY, LLC - MD 236   2016-03-03   
301-579 8 Brandywine MD 876D ONVOY, LLC - MD 236   2016-03-03   
301-591 7 Gaithersburg MD 876D ONVOY, LLC - MD 236   2021-02-18   
301-603 3 Washington Zone 11 MD 876D ONVOY, LLC - MD 236   2015-06-27   
301-610 3 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2020-04-30   
301-638 8 Waldorf MD 876D ONVOY, LLC - MD 236   2019-02-19   
301-640 5 Washington Zone 10 MD 876D ONVOY, LLC - MD 236   2012-09-06   
301-666 2 Washington Zone 14 MD 876D ONVOY, LLC - MD 236   2017-12-14   
301-679 1 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2008-10-05   
301-679 7 Washington Zone 12 MD 876D ONVOY, LLC - MD 236   2012-10-07   
301-683 5 Washington Zone 4 MD 876D ONVOY, LLC - MD 236   2014-10-24   
301-684 6 Indian Head MD 876D ONVOY, LLC - MD 236   2012-09-13   

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Last updated: Fri, 13 May 2022 22:16:13 UTC

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