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.
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OCN: 7135 TC SYSTEMS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
978-889 A Maynard MA MRBOMAFZDS0  128      
978-889 0 Maynard MA MRBOMAFZDS0  128      
978-889 1 Maynard MA MRBOMAFZDS0  128      
978-889 2 Maynard MA MRBOMAFZDS0  128      
978-889 3 Maynard MA MRBOMAFZDS0  128      
978-898 2 North Reading MA MRBOMAFZDS0  128   2015-05-29   
978-898 4 North Reading MA MRBOMAFZDS0  128   2003-03-01   
978-933 A Andover MA MRBOMAFZDS0  128      
978-933 0 Andover MA MRBOMAFZDS0  128      
978-933 4 Andover MA MRBOMAFZDS0  128      
978-933 5 Andover MA MRBOMAFZDS0  128      
978-942 A Lowell MA MRBOMAFZDS0  128      
978-942 2 Lowell MA MRBOMAFZDS0  128   2011-11-04   
978-955 A Lowell MA MRBOMAFZDS0  128      
978-955 3 Lowell MA MRBOMAFZDS0  128   2016-03-31   
978-967 1 Lowell MA MRBOMAFZDS0  128      
978-967 3 Lowell MA MRBOMAFZDS0  128      

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Last updated: Tue, 04 May 2021 15:04:27 UTC

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