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: WSBOMASUDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-366 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 0 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 1 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 2 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 5 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 6 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 7 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 8 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-389 9 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-475 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-475 2 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-475 3 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-475 4 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-616 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-836 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-870 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 0 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 1 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 2 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 3 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 4 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 5 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 7 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 8 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-871 9 Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-898 A Westboro MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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