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: PWTCRIHIDSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-399 A Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-399 2 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-399 5 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-399 6 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-399 7 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-399 8 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 A Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 3 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 4 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 5 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 6 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 7 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 8 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      
508-761 9 Southgate MA 9102 VERIZON NEW ENGLAND INC. 128      

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

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