Local Calling Guide

Area code/prefix search

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OCN: 6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
240-278 A Laurel MD WASKDCFNAMD  236      
240-278 0 Laurel MD WASKDCFNAMD  236   2011-09-05   
240-278 2 Laurel MD WASKDCFNAMD  236   2011-10-02   
240-278 3 Laurel MD WASKDCFNAMD  236   2011-10-02   
240-278 4 Laurel MD WASKDCFNAMD  236   2011-10-02   
240-278 5 Laurel MD WASKDCFNAMD  236   2011-10-02   
240-278 6 Laurel MD WASKDCFNAMD  236   2011-10-15   
240-278 7 Laurel MD WASKDCFNAMD  236   2011-10-28   
240-278 8 Laurel MD WASKDCFNAMD  236   2011-09-07   
240-278 9 Laurel MD WASKDCFNAMD  236   2011-10-28   
240-285 A Frederick MD FRDRMDFRXSX  240      
240-285 0 Frederick MD FRDRMDFRXSX  240   2003-08-19   
240-285 1 Frederick MD FRDRMDFRXSX  240   2003-11-03   
240-285 2 Frederick MD FRDRMDFRXSX  240   2004-09-29   
240-285 3 Frederick MD FRDRMDFRXSX  240   2004-11-04   
240-285 4 Frederick MD FRDRMDFRXSX  240   2004-12-02   
240-285 5 Frederick MD FRDRMDFRXSX  240   2003-07-05   
240-285 6 Frederick MD FRDRMDFRXSX  240   2004-04-20   
240-285 7 Frederick MD FRDRMDFRXSX  240   2003-08-03   
240-285 8 Frederick MD FRDRMDFRXSX  240   2003-08-03   
240-298 A Leonardtown MD WASKDCFNAMD  236      
240-300 A Waldorf MD WASKDCFNAMD  236      
240-300 0 Waldorf MD WASKDCFNAMD  236   2011-02-05   
240-306 5 Gaithersburg MD WASKDCFNAMD  236   2017-09-19   
240-309 A Leonardtown MD WASKDCFNAMD  236      
240-309 0 Leonardtown MD WASKDCFNAMD  236   2014-07-17   
240-309 1 Leonardtown MD WASKDCFNAMD  236   2014-08-15   
240-309 3 Leonardtown MD WASKDCFNAMD  236   2014-05-01   
240-309 5 Leonardtown MD WASKDCFNAMD  236   2013-12-28   
240-309 7 Leonardtown MD WASKDCFNAMD  236   2014-09-15   
240-309 8 Leonardtown MD WASKDCFNAMD  236   2015-05-05   
240-309 9 Leonardtown MD WASKDCFNAMD  236   2015-06-30   
240-313 8 Hagerstown MD FRDRMDFRXSX  240   2012-05-22   
240-315 3 Frederick MD FRDRMDFRXSX  240   2005-01-02   
240-315 4 Frederick MD FRDRMDFRXSX  240   2005-01-02   
240-315 5 Frederick MD FRDRMDFRXSX  240   2005-01-02   
240-315 6 Frederick MD FRDRMDFRXSX  240   2005-04-01   
240-315 7 Frederick MD FRDRMDFRXSX  240   2005-05-02   
240-315 8 Frederick MD FRDRMDFRXSX  240   2005-07-02   
240-315 9 Frederick MD FRDRMDFRXSX  240   2019-08-22   
240-319 A Laurel (Baltimore LATA) MD BLTOMDKHBMD  238      
240-319 0 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2008-08-14   
240-319 1 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2008-10-03   
240-319 2 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2009-10-02   
240-319 3 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2010-02-16   
240-319 5 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2010-06-12   
240-319 6 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2010-06-12   
240-319 9 Laurel (Baltimore LATA) MD BLTOMDKHBMD  238   2010-10-02   
240-320 2 Waldorf MD WASKDCFNAMD  236   2005-08-01   
240-320 3 Waldorf MD WASKDCFNAMD  236   2005-09-01   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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