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
227-269 1 Washington Zone 5 MD VINNVACBDS0  236   2025-03-01   
227-269 2 Washington Zone 5 MD VINNVACBDS0  236   2025-03-01   
227-269 3 Washington Zone 5 MD VINNVACBDS0  236   2025-10-30   
227-269 4 Washington Zone 5 MD VINNVACBDS0  236   2025-10-30   
227-269 5 Washington Zone 5 MD   236   2026-08-20   
227-269 6 Washington Zone 5 MD VINNVACBDS0  236   2026-01-11   
227-269 7 Washington Zone 5 MD VINNVACBDS0  236   2026-01-11   
227-272 A Oakland MD CMLDMDCMEMD  240   2025-03-30   
227-272 0 Oakland MD CMLDMDCMEMD  240   2025-03-30   
227-272 3 Oakland MD CMLDMDCMEMD  240   2026-06-22   
227-274 A Washington Zone 10 MD VINNVACBDS0  236   2025-05-10   
227-274 0 Washington Zone 10 MD VINNVACBDS0  236   2025-05-10   
227-274 1 Washington Zone 10 MD VINNVACBDS0  236   2025-05-10   
227-275 6 Washington Zone 4 MD VINNVACBDS0  236   2025-11-08   
227-275 7 Washington Zone 4 MD VINNVACBDS0  236   2025-11-08   
227-275 8 Washington Zone 4 MD VINNVACBDS0  236   2025-11-08   
227-275 9 Washington Zone 4 MD VINNVACBDS0  236   2025-09-06   
227-276 A Washington Zone 3 MD VINNVACBDS0  236   2025-06-06   
227-276 0 Washington Zone 3 MD VINNVACBDS0  236   2025-06-06   
227-276 1 Washington Zone 3 MD VINNVACBDS0  236   2025-06-06   
227-276 2 Washington Zone 3 MD VINNVACBDS0  236   2025-11-08   
227-276 3 Washington Zone 3 MD VINNVACBDS0  236   2025-11-08   
227-276 4 Washington Zone 3 MD VINNVACBDS0  236   2025-11-28   
227-276 5 Washington Zone 3 MD VINNVACBDS0  236   2026-01-11   
227-276 6 Washington Zone 3 MD VINNVACBDS0  236   2026-06-13   
227-277 7 Gaithersburg MD VINNVACBDS0  236   2025-11-08   
227-278 0 Waldorf MD VINNVACBDS0  236   2026-05-18   
227-278 1 Waldorf MD VINNVACBDS0  236   2026-05-18   
227-278 3 Waldorf MD VINNVACBDS0  236   2026-01-11   
227-281 6 Frederick MD CMLDMDCMEMD  240   2026-01-04   
227-281 7 Frederick MD CMLDMDCMEMD  240   2025-10-12   
227-284 4 Laurel MD VINNVACBDS0  236   2025-10-12   
227-284 7 Laurel MD VINNVACBDS0  236   2025-09-06   
227-288 A Hagerstown MD CMLDMDCMEMD  240   2025-10-04   
227-288 0 Hagerstown MD CMLDMDCMEMD  240   2025-10-04   
227-288 1 Hagerstown MD CMLDMDCMEMD  240   2025-10-04   
227-288 2 Hagerstown MD   240   2026-09-28   
227-288 3 Hagerstown MD   240   2026-09-28   
227-288 5 Hagerstown MD   240   2026-08-31   
227-288 7 Hagerstown MD CMLDMDCMEMD  240   2025-10-18   
227-288 8 Hagerstown MD CMLDMDCMEMD  240   2025-10-18   
227-288 9 Hagerstown MD CMLDMDCMEMD  240   2025-10-18   
227-289 3 Waldorf MD VINNVACBDS0  236   2026-06-22   
227-290 2 Laurel MD   236   2026-09-17   
227-290 3 Laurel MD   236   2026-09-17   
227-290 5 Laurel MD VINNVACBDS0  236   2026-01-04   
227-292 3 Ashton MD VINNVACBDS0  236   2025-12-14   
227-292 5 Ashton MD   236   2026-09-19   
227-293 0 Cumberland MD CMLDMDCMEMD  240   2025-12-14   
227-293 1 Cumberland MD CMLDMDCMEMD  240   2026-06-22   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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