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: EGRNRICHRP0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
401-541 A Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-541 3 Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-541 6 Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-541 7 Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-541 9 Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-884 A Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-885 A Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      
401-886 A Greenwich RI 9102 VERIZON NEW ENGLAND INC. 130      

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

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