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

<< 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 OCN LATA LIR Eff date Disc date
781-205 4 Reading MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-18   
781-209 5 Waltham MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-31   
781-210 A Cohasset MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-210 0 Cohasset MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-210 2 Cohasset MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-214 A Hull MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-214 4 Hull MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-10-24   
781-214 7 Hull MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-25   
781-215 A Lynn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-215 5 Lynn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-215 7 Lynn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-215 8 Lynn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-215 9 Lynn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-218 2 Winchester MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-23   
781-218 3 Winchester MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-02   
781-218 7 Winchester MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-08   
781-241 4 Revere MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-08-20   
781-241 9 Revere MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-18   
781-253 A Sharon MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-253 2 Sharon MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-04-27   
781-253 3 Sharon MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-253 7 Sharon MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-257 1 Lincoln MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-14   
781-257 2 Lincoln MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-31   
781-257 7 Lincoln MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-15   
781-262 0 Burlington MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
781-267 7 Braintree MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-11-24   
781-277 A Weymouth MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-277 6 Weymouth MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-07-28   
781-281 3 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-05-14   
781-285 3 Duxbury MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-285 4 Duxbury MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-05-25   
781-287 A Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-287 0 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-287 1 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-287 4 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-287 5 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-287 6 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-287 8 Woburn MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-296 8 Waltham MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-15   
781-304 4 Wellesley MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-18   
781-312 A Hanover MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-312 6 Hanover MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
781-312 7 Hanover MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-315 4 Reading MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
781-318 3 Stoughton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-02   
781-318 8 Stoughton MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-23   
781-319 4 Marshfield MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-12-14   
781-319 7 Marshfield MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-04   
781-323 A Lexington MA 4018 LEVEL 3 COMMUNICATIONS, LLC - MA 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 >>

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.