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: DDHMMAWADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
781-251 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-310 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-320 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-326 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-329 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-407 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-441 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-461 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-467 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-751 A Dedham MA 9102 VERIZON NEW ENGLAND INC. 128      

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

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