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: NFRMMAEDDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-788 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 0 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 1 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 2 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 3 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 5 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 6 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 7 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-788 9 Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-877 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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