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
240-366 2 Williamsport MD   240   2016-09-13   
240-368 4 Waldorf MD   236   2021-09-24   
240-368 5 Waldorf MD   236   2021-07-12   
240-368 6 Waldorf MD   236   2021-09-24   
240-368 7 Waldorf MD   236   2021-09-24   
240-371 4 Washington Zone 12 MD   236   2022-12-16   
240-371 6 Washington Zone 12 MD   236   2024-07-05   
240-374 0 Laurel MD   236   2024-10-04   
240-376 2 Hughesville MD   236   2020-10-17   
240-376 3 Hughesville MD   236   2020-06-20   
240-376 4 Hughesville MD   236   2020-06-20   
240-376 5 Hughesville MD   236   2020-10-17   
240-376 6 Hughesville MD   236   2021-04-02   
240-376 7 Hughesville MD   236   2021-04-02   
240-377 2 Indian Head MD   236   2025-03-02   
240-377 4 Indian Head MD   236   2025-11-28   
240-377 9 Indian Head MD   236   2025-10-12   
240-384 2 Lexington Park-Great Mills MD   236   2020-11-16   
240-384 3 Lexington Park-Great Mills MD   236   2020-11-16   
240-384 4 Lexington Park-Great Mills MD   236   2021-03-04   
240-384 5 Lexington Park-Great Mills MD   236   2021-03-04   
240-384 6 Lexington Park-Great Mills MD   236   2021-03-04   
240-384 7 Lexington Park-Great Mills MD   236   2021-09-24   
240-387 5 Washington Zone 13 MD   236   2024-04-19   
240-387 8 Washington Zone 13 MD   236   2024-04-19   
240-387 9 Washington Zone 13 MD   236   2024-04-21   
240-391 A Washington Zone 13 MD   236      
240-391 0 Washington Zone 13 MD   236   2024-10-21   
240-391 1 Washington Zone 13 MD   236   2024-10-21   
240-391 2 Washington Zone 13 MD   236   2025-05-10   
240-391 4 Washington Zone 13 MD   236   2024-12-02   
240-391 5 Washington Zone 13 MD   236   2022-10-15   
240-391 9 Washington Zone 13 MD   236   2024-12-02   
240-392 6 Washington Zone 5 MD   236   2012-10-07   
240-396 9 Washington Zone 2 MD   236   2024-10-21   
240-407 1 Washington Zone 16 MD   236   2016-04-28   
240-407 3 Washington Zone 16 MD   236   2021-04-02   
240-407 7 Washington Zone 16 MD   236   2011-04-23   
240-407 8 Washington Zone 16 MD   236   2021-04-02   
240-410 1 Cumberland MD   240   2021-05-21   
240-410 5 Cumberland MD   240   2021-07-11   
240-410 6 Cumberland MD   240   2021-07-11   
240-414 4 Washington Zone 6 MD   236   2020-04-30   
240-414 7 Washington Zone 6 MD   236   2023-01-02   
240-414 8 Washington Zone 6 MD   236   2020-06-11   
240-419 5 Waldorf MD   236   2008-10-05   
240-433 5 Washington Zone 12 MD   236   2021-09-24   
240-433 7 Washington Zone 12 MD   236   2021-09-24   
240-433 8 Washington Zone 12 MD   236   2021-09-24   
240-434 0 Leonardtown MD   236   2012-10-06   

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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