Local Calling Guide

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OCN: 876D ONVOY, LLC - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
301-597 1 Waldorf MD VINNVACBDS0  236   2022-04-25   
301-597 4 Waldorf MD VINNVACBDS0  236   2022-04-25   
301-597 7 Waldorf MD VINNVACBDS0  236   2022-04-25   
301-603 3 Washington Zone 11 MD VINNVACBDS0  236   2015-06-27   
301-610 3 Washington Zone 10 MD VINNVACBDS0  236   2020-04-30   
301-635 0 Washington Zone 5 MD VINNVACBDS0  236   2023-05-16   
301-635 1 Washington Zone 5 MD VINNVACBDS0  236   2023-05-16   
301-635 2 Washington Zone 5 MD VINNVACBDS0  236   2023-01-07   
301-635 3 Washington Zone 5 MD VINNVACBDS0  236   2023-09-14   
301-635 4 Washington Zone 5 MD VINNVACBDS0  236   2023-09-14   
301-635 5 Washington Zone 5 MD VINNVACBDS0  236   2023-09-14   
301-635 6 Washington Zone 5 MD VINNVACBDS0  236   2023-02-09   
301-635 7 Washington Zone 5 MD VINNVACBDS0  236   2023-02-09   
301-638 8 Waldorf MD VINNVACBDS0  236   2019-02-19   
301-640 5 Washington Zone 10 MD VINNVACBDS0  236   2012-09-06   
301-666 2 Washington Zone 14 MD VINNVACBDS0  236   2017-12-14   
301-673 1 Frederick MD CMLDMDCMEMD  240   2023-08-10   
301-673 3 Frederick MD CMLDMDCMEMD  240   2023-08-10   
301-678 1 Hancock MD CMLDMDCMEMD  240   2016-09-12   
301-679 1 Washington Zone 12 MD VINNVACBDS0  236   2008-10-05   
301-679 7 Washington Zone 12 MD VINNVACBDS0  236   2012-10-07   
301-683 5 Washington Zone 4 MD VINNVACBDS0  236   2014-10-24   
301-684 6 Indian Head MD VINNVACBDS0  236   2012-09-13   
301-685 0 Damascus MD VINNVACBDS0  236   2012-10-06   
301-685 7 Damascus MD VINNVACBDS0  236   2016-03-11   
301-686 5 Washington Zone 6 MD VINNVACBDS0  236   2016-04-28   
301-686 6 Washington Zone 6 MD VINNVACBDS0  236   2026-06-13   
301-687 8 Frostburg MD CMLDMDCMEMD  240   2004-02-15   
301-691 2 Poolesville MD VINNVACBDS0  236   2015-10-09   
301-691 3 Poolesville MD VINNVACBDS0  236   2012-10-07   
301-691 4 Poolesville MD VINNVACBDS0  236   2015-06-27   
301-701 2 Washington Zone 13 MD VINNVACBDS0  236   2020-12-03   
301-701 3 Washington Zone 13 MD VINNVACBDS0  236   2020-12-03   
301-701 4 Washington Zone 13 MD VINNVACBDS0  236   2020-12-03   
301-701 5 Washington Zone 13 MD VINNVACBDS0  236   2020-12-03   
301-709 1 Cumberland MD CMLDMDCMEMD  240   2020-11-07   
301-709 3 Cumberland MD CMLDMDCMEMD  240   2020-01-05   
301-709 4 Cumberland MD CMLDMDCMEMD  240   2020-01-05   
301-709 5 Cumberland MD CMLDMDCMEMD  240   2020-02-10   
301-709 6 Cumberland MD CMLDMDCMEMD  240   2020-02-10   
301-709 7 Cumberland MD CMLDMDCMEMD  240   2020-02-10   
301-709 8 Cumberland MD CMLDMDCMEMD  240   2020-02-10   
301-709 9 Cumberland MD CMLDMDCMEMD  240   2020-11-07   
301-712 4 Frederick MD CMLDMDCMEMD  240   2026-01-19   
301-719 2 Washington Zone 16 MD VINNVACBDS0  236   2020-04-30   
301-719 3 Washington Zone 16 MD VINNVACBDS0  236   2020-04-30   
301-743 0 Indian Head MD VINNVACBDS0  236   2025-01-06   
301-743 1 Indian Head MD VINNVACBDS0  236   2022-08-21   
301-745 9 Hagerstown MD CMLDMDCMEMD  240   2025-05-03   
301-750 1 Friendsville MD CMLDMDCMEMD  240   2016-09-29   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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