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: EPRVRIELCM2

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
401-999 1 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2014-07-20   
401-999 2 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2014-10-25   
401-999 3 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2015-07-23   
401-999 4 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2014-08-31   
401-999 5 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2014-08-31   
401-999 6 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2014-08-31   
401-999 7 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2013-12-27   
401-999 8 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2013-03-16   
401-999 9 Cumberland Hill RI 6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2013-03-16   

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Last updated: Sat, 02 May 2026 12:20:53 UTC

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