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: WTTWMAWCDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-673 A Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 0 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 1 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 2 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 3 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 4 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 6 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 7 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 8 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-673 9 Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-923 A Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-924 A Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-926 A Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      
617-972 A Watertown MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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