Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: SLBRMDSC9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-390 8 Ocean City MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-390 9 Ocean City MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-629 5 Berlin MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-629 8 Berlin MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-896 7 Delmar MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
410-896 8 Delmar MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 A Salisbury MD 281E YMAX COMMUNICATIONS CORP. - MD 242      
443-358 0 Salisbury MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 1 Salisbury MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 2 Salisbury MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 3 Salisbury MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-358 4 Salisbury MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-437 9 Pocomoke MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-03   
443-888 9 Princess Anne MD 281E YMAX COMMUNICATIONS CORP. - MD 242   2011-04-07   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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