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: SBTNMAEFRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-268 A South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-269 A South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 A South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 0 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 1 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 2 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 3 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 4 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 5 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 6 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 7 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-463 8 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 A South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 0 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 1 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 2 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 3 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 4 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 5 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 6 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 7 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      
617-464 8 South Boston MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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