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: MEFDMAPLDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-242 A Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-242 0 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-242 8 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-242 9 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 A Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 0 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 1 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 2 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 4 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 5 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 6 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 7 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 8 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      
508-359 9 Medfield MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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