Local Calling Guide

Area code/prefix search

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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
240-922 9 Washington Zone 11 MD VINNVACBDS0  236   2024-02-23   
240-923 5 Washington Zone 6 MD VINNVACBDS0  236   2022-12-22   
240-923 7 Washington Zone 6 MD VINNVACBDS0  236   2022-12-22   
240-924 2 Mount Airy MD CMLDMDCMEMD  240   2023-08-10   
240-924 3 Mount Airy MD CMLDMDCMEMD  240   2023-08-10   
240-924 4 Mount Airy MD CMLDMDCMEMD  240   2023-08-10   
240-924 5 Mount Airy MD CMLDMDCMEMD  240   2023-08-10   
240-924 6 Mount Airy MD CMLDMDCMEMD  240   2023-08-10   
240-924 7 Mount Airy MD CMLDMDCMEMD  240   2024-04-05   
240-926 3 Hughesville MD VINNVACBDS0  236   2023-06-17   
240-927 4 Washington Zone 4 MD VINNVACBDS0  236   2023-04-26   
240-929 1 Washington Zone 14 MD VINNVACBDS0  236   2020-06-11   
240-929 2 Washington Zone 14 MD VINNVACBDS0  236   2020-06-11   
240-929 8 Washington Zone 14 MD VINNVACBDS0  236   2020-06-11   
240-931 5 Frederick MD CMLDMDCMEMD  240   2023-08-10   
240-931 6 Frederick MD CMLDMDCMEMD  240   2023-08-10   
240-932 5 Washington Zone 14 MD VINNVACBDS0  236   2022-10-15   
240-932 6 Washington Zone 14 MD VINNVACBDS0  236   2022-10-15   
240-932 7 Washington Zone 14 MD VINNVACBDS0  236   2023-02-20   
240-932 9 Washington Zone 14 MD VINNVACBDS0  236   2023-06-17   
240-933 0 Buckeystown MD CMLDMDCMEMD  240   2024-06-23   
240-934 4 Middletown MD CMLDMDCMEMD  240   2021-07-11   
240-934 5 Middletown MD CMLDMDCMEMD  240   2021-07-11   
240-936 2 Ashton MD VINNVACBDS0  236   2022-10-15   
240-939 3 Washington Zone 11 MD VINNVACBDS0  236   2023-04-03   
240-939 4 Washington Zone 11 MD VINNVACBDS0  236   2023-04-03   
240-939 5 Washington Zone 11 MD VINNVACBDS0  236   2023-06-17   
240-940 4 Washington Zone 4 MD VINNVACBDS0  236   2023-07-13   
240-942 A Bittinger MD CMLDMDCMEMD  240      
240-942 0 Bittinger MD CMLDMDCMEMD  240   2021-05-15   
240-942 1 Bittinger MD CMLDMDCMEMD  240   2021-05-15   
240-942 2 Bittinger MD CMLDMDCMEMD  240   2021-05-21   
240-942 3 Bittinger MD CMLDMDCMEMD  240   2021-09-20   
240-942 4 Bittinger MD CMLDMDCMEMD  240   2021-05-14   
240-944 A Westernport MD CMLDMDCMEMD  240      
240-944 0 Westernport MD CMLDMDCMEMD  240   2021-05-15   
240-944 1 Westernport MD CMLDMDCMEMD  240   2021-05-15   
240-944 5 Westernport MD CMLDMDCMEMD  240   2021-05-21   
240-944 6 Westernport MD CMLDMDCMEMD  240   2021-05-14   
240-945 A Washington Zone 3 MD VINNVACBDS0  236      
240-945 2 Washington Zone 3 MD VINNVACBDS0  236   2021-01-07   
240-945 3 Washington Zone 3 MD VINNVACBDS0  236   2021-01-07   
240-945 4 Washington Zone 3 MD VINNVACBDS0  236   2021-01-07   
240-945 5 Washington Zone 3 MD VINNVACBDS0  236   2021-01-07   
240-946 2 Washington Zone 14 MD VINNVACBDS0  236   2021-12-27   
240-949 1 Washington Zone 16 MD VINNVACBDS0  236   2020-06-11   
240-955 2 La Plata MD VINNVACBDS0  236   2023-06-17   
240-955 3 La Plata MD VINNVACBDS0  236   2023-08-10   
240-955 4 La Plata MD VINNVACBDS0  236   2023-08-10   
240-955 5 La Plata MD VINNVACBDS0  236   2023-08-10   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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