Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDSNDS6

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
240-324 A Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238      
240-324 0 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-22   
240-324 1 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-22   
240-324 2 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-22   
240-324 3 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-07-23   
240-324 4 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-07-23   
240-324 5 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-07-23   
240-345 5 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
240-345 6 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-04-16   
240-345 7 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-06-16   
240-345 8 Ashton (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-06-16   
301-327 6 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-09-30   
301-327 7 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
301-327 8 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-09-16   
301-327 9 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-03-15   
301-494 4 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2011-03-11   
301-494 5 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2011-06-17   
301-494 7 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2011-06-17   
301-812 6 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2013-11-26   
301-812 7 Washington Zone 15 (Baltimore LATA) MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2010-10-04   
410-384 8 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-12   
410-541 9 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-12   
410-680 6 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-10-05   
410-696 8 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
410-720 9 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
410-781 8 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-04-16   
410-929 8 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
410-929 9 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
410-946 2 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
410-946 9 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-04-16   
410-975 6 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-08-20   
410-975 8 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-11-17   
410-988 0 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
410-988 7 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
443-229 2 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-12   
443-229 4 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-08-20   
443-229 6 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-25   
443-229 7 Severna Park MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-25   
443-288 3 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-10-24   
443-364 4 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-26   
443-364 6 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
443-364 7 Ellicott City MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-02-11   
443-438 8 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
443-478 7 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
443-478 8 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
443-478 9 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2009-09-24   
443-636 6 Catonsville MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
443-636 8 Catonsville MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-27   
443-636 9 Catonsville MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-27   
443-897 5 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2011-06-17   
443-930 5 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2011-06-17   
443-951 5 Annapolis MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-27   
443-951 8 Annapolis MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2008-07-27   
443-951 9 Annapolis MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-08-20   
443-982 A Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238      
443-982 0 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 1 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 2 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 3 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 4 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 5 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 6 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 7 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 8 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   
443-982 9 Baltimore MD 281E YMAX COMMUNICATIONS CORP. - MD 238   2007-07-14   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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