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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
857-776 3 Chelsea MA CMBRMAORDSG  128   2004-09-04   
857-776 7 Chelsea MA CMBRMAORDSG  128   2006-03-25   
857-777 5 Cambridge MA CMBRMAORDSG  128   2012-08-03   
857-816 3 Winthrop MA CMBRMAORDSG  128   2004-09-04   
857-880 2 Boston MA CMBRMAORDSG  128   2016-03-26   
857-972 A Boston MA CMBRMAORDSG  128      
857-972 7 Boston MA CMBRMAORDSG  128   2015-09-26   
857-972 8 Boston MA CMBRMAORDSG  128   2015-09-19   
857-972 9 Boston MA CMBRMAORDSG  128   2015-09-19   
857-990 4 Boston MA CMBRMAORDSG  128   2015-12-13   
857-990 5 Boston MA CMBRMAORDSG  128   2015-12-13   
857-998 4 Cambridge MA CMBRMAORDSG  128   2005-10-07   
857-998 6 Cambridge MA CMBRMAORDSG  128   2005-10-07   
978-203 4 Wilmington MA CMBRMAORDSG  128   2005-09-19   
978-203 5 Wilmington MA CMBRMAORDSG  128   2005-09-19   
978-203 6 Wilmington MA CMBRMAORDSG  128   2005-10-31   
978-203 9 Wilmington MA CMBRMAORDSG  128   2005-10-31   
978-207 3 North Reading MA CMBRMAORDSG  128   2008-05-15   
978-208 2 Lawrence MA CMBRMAORDSG  128   2005-09-19   
978-208 3 Lawrence MA CMBRMAORDSG  128   2005-09-19   
978-208 4 Lawrence MA CMBRMAORDSG  128   2006-05-13   
978-212 0 Hudson MA CMBRMAORDSG  128   2008-04-07   
978-212 2 Hudson MA CMBRMAORDSG  128   2005-12-19   
978-212 3 Hudson MA CMBRMAORDSG  128   2008-01-31   
978-212 6 Hudson MA CMBRMAORDSG  128   2008-02-14   
978-218 2 Sudbury MA CMBRMAORDSG  128   2005-12-19   
978-218 7 Sudbury MA CMBRMAORDSG  128   2006-07-13   
978-219 A Salem MA CMBRMAORDSG  128      
978-219 8 Salem MA CMBRMAORDSG  128   2004-12-19   
978-221 2 Lowell MA CMBRMAORDSG  128   2012-02-11   
978-226 1 Tyngsboro MA CMBRMAORDSG  128   2006-02-19   
978-229 A Wilmington MA CMBRMAORDSG  128      
978-229 2 Wilmington MA CMBRMAORDSG  128      
978-233 A Hamilton MA CMBRMAORDSG  128      
978-233 2 Hamilton MA CMBRMAORDSG  128      
978-234 A Georgetown MA CMBRMAORDSG  128      
978-234 0 Georgetown MA CMBRMAORDSG  128      
978-234 1 Georgetown MA CMBRMAORDSG  128      
978-234 7 Georgetown MA CMBRMAORDSG  128      
978-234 9 Georgetown MA CMBRMAORDSG  128      
978-237 A Lawrence MA CMBRMAORDSG  128      
978-237 5 Lawrence MA CMBRMAORDSG  128   2008-02-13   
978-241 7 Haverhill MA CMBRMAORDSG  128   2005-12-19   
978-248 0 Athol MA CMBRMAORDSG  128   2008-04-07   
978-248 7 Athol MA CMBRMAORDSG  128   2010-09-04   
978-252 A Ashburnham MA CMBRMAORDSG  128      
978-252 1 Ashburnham MA CMBRMAORDSG  128   2006-01-06   
978-252 7 Ashburnham MA CMBRMAORDSG  128   2004-09-02   
978-253 0 Wilmington MA CMBRMAORDSG  128   2005-02-14   
978-253 4 Wilmington MA CMBRMAORDSG  128   2003-12-08   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.