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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
857-236 A Boston MA 5562 METRO PCS, INC. 128   2008-12-01   
857-237 A Boston MA 5562 METRO PCS, INC. 128   2009-08-03   
857-246 A Boston MA 5562 METRO PCS, INC. 128      
857-247 A Boston MA 5562 METRO PCS, INC. 128   2009-07-30   
857-249 A Boston MA 5562 METRO PCS, INC. 128   2008-12-01   
857-251 A Boston MA 5562 METRO PCS, INC. 128   2008-12-01   
857-258 A Boston MA 5562 METRO PCS, INC. 128   2010-08-27   
857-261 A Boston MA 5562 METRO PCS, INC. 128   2011-04-22   
857-266 A Boston MA 5562 METRO PCS, INC. 128   2010-08-01   
857-312 A Boston MA 5562 METRO PCS, INC. 128   2008-12-01   
857-417 A Boston MA 5562 METRO PCS, INC. 128   2008-12-01   
857-615 A Boston MA 5562 METRO PCS, INC. 128   2009-08-10   
978-601 A Lawrence MA 5562 METRO PCS, INC. 128      
978-751 A Leominster MA 5562 METRO PCS, INC. 128   2010-06-10   
978-876 A Lawrence MA 5562 METRO PCS, INC. 128      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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