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: MNSNMAMADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-267 A Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 0 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 1 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 3 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 4 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 5 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 8 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      
413-267 9 Monson MA 9102 VERIZON NEW ENGLAND INC. 126      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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