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.

OCN: 4018 LEVEL 3 COMMUNICATIONS, LLC - MA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
978-947 8 Billerica MA   128      
978-951 A Littleton MA CMBRMAORDSG  128      
978-951 0 Littleton MA CMBRMAORDSG  128      
978-951 1 Littleton MA CMBRMAORDSG  128      
978-956 A Fitchburg MA CMBRMAORDSG  128      
978-956 0 Fitchburg MA CMBRMAORDSG  128      
978-956 2 Fitchburg MA CMBRMAORDSG  128   2005-02-07   
978-961 A Newburyport MA CMBRMAORDSG  128      
978-961 0 Newburyport MA CMBRMAORDSG  128      
978-961 1 Newburyport MA CMBRMAORDSG  128      
978-961 9 Newburyport MA CMBRMAORDSG  128      
978-965 A Lawrence MA CMBRMAORDSG  128      
978-965 2 Lawrence MA CMBRMAORDSG  128      
978-965 3 Lawrence MA CMBRMAORDSG  128   2010-10-29   
978-965 4 Lawrence MA CMBRMAORDSG  128      
978-965 6 Lawrence MA CMBRMAORDSG  128   2012-02-25   
978-965 8 Lawrence MA CMBRMAORDSG  128   2007-05-23   
978-986 A Topsfield MA CMBRMAORDSG  128      
978-986 0 Topsfield MA CMBRMAORDSG  128   2005-02-18   
978-986 2 Topsfield MA CMBRMAORDSG  128   2005-05-02   
978-986 3 Topsfield MA CMBRMAORDSG  128   2006-04-27   
978-986 4 Topsfield MA CMBRMAORDSG  128      
978-991 A Gardner MA   128   2025-04-11   
978-991 0 Gardner MA CMBRMAORDSG  128   2005-02-11   
978-992 A Newburyport MA   128      
978-993 A Beverly MA CMBRMAORDSG  128      
978-993 4 Beverly MA CMBRMAORDSG  128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.