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: MRBOMAMADS0

Remotes:

Switch Switch name Switch type
NRBOMASCRS1  NORTHBORO  EXM 

<< 1 2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-787 3 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-787 4 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-787 5 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-787 7 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-787 8 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
508-787 9 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
774-369 A Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
774-369 5 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
774-369 6 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
774-369 7 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      
774-369 8 Marlboro MA 9102 VERIZON NEW ENGLAND INC. 128      

<< 1 2

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.