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: HLYKMAMADS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-322 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-493 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-532 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-533 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-534 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-535 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-536 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-538 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-539 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-540 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      
413-552 A Holyoke MA 9102 VERIZON NEW ENGLAND INC. 126      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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