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: BSTNMALBDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-691 A Quincy MA 7135 TC SYSTEMS, INC. 128      
617-766 A South Boston MA 7135 TC SYSTEMS, INC. 128      
617-793 A Quincy MA 7135 TC SYSTEMS, INC. 128      
781-285 A Duxbury MA 7135 TC SYSTEMS, INC. 128      
781-302 A Canton MA 7135 TC SYSTEMS, INC. 128      
781-364 A Canton MA 7135 TC SYSTEMS, INC. 128      
781-471 A Dedham MA 7135 TC SYSTEMS, INC. 128      
781-499 A Hanover MA 7135 TC SYSTEMS, INC. 128      
781-527 A Cohasset MA 7135 TC SYSTEMS, INC. 128      
781-534 A Weymouth MA 7135 TC SYSTEMS, INC. 128      
781-556 A Hingham MA 7135 TC SYSTEMS, INC. 128      
781-607 A Randolph MA 7135 TC SYSTEMS, INC. 128      
781-612 A Canton MA 7135 TC SYSTEMS, INC. 128      
781-635 A Norwell MA 7135 TC SYSTEMS, INC. 128      
781-680 A Norwood MA 7135 TC SYSTEMS, INC. 128      
781-754 A Bryantville MA 7135 TC SYSTEMS, INC. 128      
781-763 A Rockland MA 7135 TC SYSTEMS, INC. 128      
781-817 A Braintree MA 7135 TC SYSTEMS, INC. 128      
781-847 A Stoughton MA 7135 TC SYSTEMS, INC. 128      
781-952 A Braintree MA 7135 TC SYSTEMS, INC. 128      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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