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
781-399 0 Malden MA CMBRMAORDSG  128   2004-12-11   
781-399 4 Malden MA CMBRMAORDSG  128      
781-406 5 Lynnfield MA CMBRMAORDSG  128   2006-05-12   
781-426 A Revere MA CMBRMAORDSG  128      
781-426 2 Revere MA CMBRMAORDSG  128      
781-426 9 Revere MA CMBRMAORDSG  128      
781-428 7 Braintree MA CMBRMAORDSG  128   2008-02-01   
781-443 6 Arlington MA CMBRMAORDSG  128   2004-03-07   
781-451 1 Wakefield MA CMBRMAORDSG  128   2006-04-07   
781-451 3 Wakefield MA CMBRMAORDSG  128   2004-09-02   
781-452 2 Duxbury MA CMBRMAORDSG  128      
781-471 4 Dedham MA CMBRMAORDSG  128   2005-04-15   
781-471 5 Dedham MA CMBRMAORDSG  128   2005-04-15   
781-471 6 Dedham MA CMBRMAORDSG  128   2005-04-15   
781-476 A Marblehead MA CMBRMAORDSG  128      
781-476 5 Marblehead MA CMBRMAORDSG  128   2004-09-04   
781-479 A Lynn MA   128      
781-479 0 Lynn MA CMBRMAORDSG  128      
781-483 4 Arlington MA CMBRMAORDSG  128   2006-08-30   
781-484 1 Saugus MA CMBRMAORDSG  128   2006-01-06   
781-489 3 Wellesley MA CMBRMAORDSG  128   2004-09-02   
781-497 A Woburn MA CMBRMAORDSG  128      
781-497 0 Woburn MA CMBRMAORDSG  128      
781-497 1 Woburn MA CMBRMAORDSG  128      
781-497 2 Woburn MA CMBRMAORDSG  128      
781-497 5 Woburn MA CMBRMAORDSG  128   2006-08-05   
781-497 7 Woburn MA CMBRMAORDSG  128      
781-497 9 Woburn MA CMBRMAORDSG  128      
781-499 6 Hanover MA CMBRMAORDSG  128   2006-05-25   
781-507 A Stoneham MA CMBRMAORDSG  128      
781-507 2 Stoneham MA CMBRMAORDSG  128      
781-517 3 Melrose MA CMBRMAORDSG  128   2004-09-04   
781-517 7 Melrose MA CMBRMAORDSG  128   2006-12-14   
781-518 A Medford MA CMBRMAORDSG  128      
781-518 0 Medford MA CMBRMAORDSG  128   2008-02-14   
781-519 A Braintree MA CMBRMAORDSG  128      
781-519 0 Braintree MA CMBRMAORDSG  128   2005-04-28   
781-519 1 Braintree MA CMBRMAORDSG  128   2006-05-12   
781-519 2 Braintree MA CMBRMAORDSG  128   2005-03-12   
781-519 3 Braintree MA CMBRMAORDSG  128   2005-04-28   
781-519 4 Braintree MA CMBRMAORDSG  128      
781-519 8 Braintree MA CMBRMAORDSG  128   2006-05-12   
781-533 9 Lexington MA CMBRMAORDSG  128   2005-10-31   
781-538 A Lexington MA   128      
781-538 0 Lexington MA CMBRMAORDSG  128      
781-538 8 Lexington MA   128      
781-544 4 Scituate MA CMBRMAORDSG  128   2004-09-04   
781-549 A Revere MA   128   2025-04-11   
781-549 7 Revere MA CMBRMAORDSG  128   2005-12-08   
781-549 8 Revere MA CMBRMAORDSG  128   2005-12-08   

<< 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 34 35 36 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.