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: WLHMMAWEDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
781-290 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-386 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-466 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-487 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-522 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-609 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-622 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-668 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-672 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-684 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-699 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128   2006-09-17   
781-768 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-833 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-839 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-890 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      
781-895 A Waltham MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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