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: CMBRMAORDSG

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
339-201 A Weymouth MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2012-04-09   
339-244 A Bryantville MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-02-12   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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