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.
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Switch: FKLNMAMCRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-520 A Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-528 A Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 A Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 1 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 2 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 3 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 4 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 5 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 6 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 7 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 8 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-541 9 Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      
508-553 A Franklin MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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