Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
227-245 7 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-06   
227-245 8 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-06   
227-245 9 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-06   
227-246 4 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-19   
227-248 9 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-19   
227-249 A Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-14   
227-249 0 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-14   
227-249 8 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-06   
227-249 9 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-10-06   
227-250 3 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-22   
227-250 4 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-22   
227-250 5 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-09-22   
227-255 A Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-12-07   
227-255 0 Washington Zone 5 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2024-12-07   
227-263 A Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2025-02-01   
227-263 0 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2025-02-01   
227-278 2 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-294 3 Washington Zone 13 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-07   
227-296 1 Washington Zone 12 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-297 8 Laurel MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-298 1 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-05-09   
227-298 9 Washington Zone 10 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-07   
227-301 1 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
227-302 9 Washington Zone 4 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
227-315 0 Ashton MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-06   
227-333 9 Washington Zone 16 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-06-07   
227-500 1 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-05-11   
227-529 6 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-05-02   
227-529 8 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-04-11   
227-997 9 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2025-04-14   
240-200 A Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-200 0 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-12-02   
240-200 4 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-02-20   
240-200 5 Washington Zone 2 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-03-02   
240-206 1 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-04-18   
240-206 5 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-207 1 Damascus MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-207 6 Damascus MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2007-09-13   
240-208 8 La Plata MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2026-07-13   
240-210 9 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-04-29   
240-221 1 Washington Zone 11 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-224 0 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-19   
240-224 3 Gaithersburg MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2013-06-16   
240-229 6 Waldorf MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2012-10-19   
240-230 6 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-02-22   
240-230 7 Hughesville MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2008-12-13   
240-232 2 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-08-13   
240-232 5 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2010-10-17   
240-232 6 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-02-26   
240-232 7 Washington Zone 14 MD 071F BANDWIDTH.COM CLEC, LLC - MD 236   2011-05-20   

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

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