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: SOVLMACEDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-284 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-284 7 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-284 8 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 0 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 1 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 2 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 3 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 4 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 6 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 7 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 8 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-591 9 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-623 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-625 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-627 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-628 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-629 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-666 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-776 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-863 A Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
617-863 1 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      
857-995 0 Somerville MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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