Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
227-255 9 Washington Zone 5 MD   236   2024-12-09   
227-258 5 Gaithersburg MD   236   2025-05-31   
227-264 A Washington Zone 10 MD BTVLMD12CMA  236   2025-02-03   
227-264 0 Washington Zone 10 MD   236   2025-02-04   
227-264 1 Washington Zone 10 MD   236   2025-02-04   
227-264 2 Washington Zone 10 MD   236   2025-09-02   
227-264 9 Washington Zone 10 MD   236   2025-02-03   
227-271 0 Washington Zone 10 MD   236   2025-03-22   
227-271 1 Washington Zone 10 MD   236   2025-03-22   
227-272 1 Oakland MD   240   2025-08-11   
227-273 A Washington Zone 10 MD   236   2025-04-19   
227-273 9 Washington Zone 10 MD   236   2025-04-19   
227-275 1 Washington Zone 4 MD   236   2025-08-21   
227-275 2 Washington Zone 4 MD   236   2025-09-26   
227-277 A Gaithersburg MD   236   2025-06-28   
227-277 1 Gaithersburg MD   236   2025-08-31   
227-277 2 Gaithersburg MD   236   2025-08-31   
227-277 3 Gaithersburg MD   236   2025-08-31   
227-277 4 Gaithersburg MD   236   2025-08-31   
227-277 5 Gaithersburg MD   236   2025-08-31   
227-277 6 Gaithersburg MD   236   2025-08-31   
227-277 8 Gaithersburg MD   236   2025-06-28   
227-277 9 Gaithersburg MD   236   2025-06-28   
227-278 A Waldorf MD   236   2025-06-28   
227-278 4 Waldorf MD   236   2025-09-05   
227-278 5 Waldorf MD   236   2025-09-05   
227-278 7 Waldorf MD   236   2025-06-28   
227-278 8 Waldorf MD   236   2025-06-28   
227-278 9 Waldorf MD   236   2025-06-28   
227-280 0 Washington Zone 10 MD   236   2025-10-04   
227-280 1 Washington Zone 10 MD   236   2025-10-21   
227-280 2 Washington Zone 10 MD   236   2025-11-17   
227-280 3 Washington Zone 10 MD   236   2025-11-17   
227-280 4 Washington Zone 10 MD   236   2025-11-17   
227-280 5 Washington Zone 10 MD   236   2025-11-20   
227-280 6 Washington Zone 10 MD   236   2025-11-20   
227-280 7 Washington Zone 10 MD   236   2025-11-20   
227-282 A Ashton MD   236   2025-07-25   
227-282 0 Ashton MD   236   2025-09-26   
227-282 1 Ashton MD   236   2025-10-30   
227-282 2 Ashton MD   236   2025-10-30   
227-282 3 Ashton MD   236   2025-11-17   
227-282 4 Ashton MD   236   2025-07-28   
227-282 5 Ashton MD   236   2025-07-28   
227-282 6 Ashton MD   236   2025-07-28   
227-282 7 Ashton MD   236   2025-07-28   
227-282 8 Ashton MD   236   2025-07-25   
227-282 9 Ashton MD   236   2025-07-25   
227-289 A Waldorf MD   236   2025-10-11   
227-289 9 Waldorf MD   236   2025-10-11   
227-291 A Friendsville MD   240   2025-09-08   
227-291 9 Friendsville MD   240   2025-09-08   
227-292 A Ashton MD   236   2025-08-21   
227-292 0 Ashton MD   236   2025-11-17   
227-292 1 Ashton MD   236   2025-11-20   
227-292 2 Ashton MD   236   2025-11-20   
227-292 4 Ashton MD   236   2026-01-23   
227-292 5 Ashton MD   236   2026-01-23   
227-292 6 Ashton MD   236   2025-08-21   
227-292 7 Ashton MD   236   2025-08-21   
227-292 8 Ashton MD   236   2025-08-21   
227-292 9 Ashton MD   236   2025-08-21   
227-300 A Ashton MD   236   2025-12-18   
227-300 1 Ashton MD   236   2026-01-31   
227-300 2 Ashton MD   236   2026-01-31   
227-300 3 Ashton MD   236   2026-01-31   
227-300 4 Ashton MD   236   2026-02-06   
227-300 5 Ashton MD   236   2026-02-06   
227-300 6 Ashton MD   236   2026-02-06   
227-300 7 Ashton MD   236   2025-12-18   
227-300 8 Ashton MD   236   2025-12-18   
227-300 9 Ashton MD   236   2025-12-18   
227-303 A Washington Zone 10 MD   236   2025-12-18   
227-303 8 Washington Zone 10 MD   236   2025-12-18   
227-303 9 Washington Zone 10 MD   236   2025-12-18   
227-304 A Washington Zone 10 MD   236   2025-12-15   
227-304 8 Washington Zone 10 MD   236   2025-12-15   
227-304 9 Washington Zone 10 MD   236   2025-12-15   
227-305 A Washington Zone 10 MD   236   2026-02-20   
227-305 6 Washington Zone 10 MD   236   2026-02-20   
227-305 7 Washington Zone 10 MD   236   2026-02-20   
227-305 8 Washington Zone 10 MD   236   2026-02-20   
227-305 9 Washington Zone 10 MD   236   2026-02-20   
227-315 A Ashton MD   236   2026-03-06   
227-315 5 Ashton MD   236   2026-03-06   
227-315 6 Ashton MD   236   2026-03-06   
227-315 7 Ashton MD   236   2026-03-06   
227-315 8 Ashton MD   236   2026-03-06   
227-315 9 Ashton MD   236   2026-03-06   
227-338 A Washington Zone 10 MD   236   2025-12-04   
227-338 9 Washington Zone 10 MD   236   2025-12-04   
227-772 1 Washington Zone 4 MD   236   2025-01-16   
240-200 2 Washington Zone 2 MD   236   2011-11-24   
240-203 A Hagerstown MD FRDRMDFRKMD  240      
240-203 0 Hagerstown MD   240   2011-11-18   
240-203 1 Hagerstown MD   240   2011-11-18   
240-203 2 Hagerstown MD   240   2011-11-18   
240-203 3 Hagerstown MD   240   2011-11-18   
240-203 4 Hagerstown MD   240   2011-11-18   
240-203 5 Hagerstown MD   240   2011-11-18   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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