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.

NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 786

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-786 A Marlboro MA MRBOMAMADS0  9102 VERIZON NEW ENGLAND INC. 128      
508-786 0 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 1 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 2 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 3 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 4 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 5 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 6 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 7 Marlboro MA   9102 VERIZON NEW ENGLAND INC. 128      
508-786 8 Marlboro MA   892D ONVOY, LLC - MA 128   2023-07-23   
508-786 9 Marlboro MA   145J TERRA NOVA TELECOM INC. 128   2022-05-05   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.