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: GNDLMASUDS0

Remotes:

Switch Switch name Switch type
BOTNMAMARS1  BOLTON  5ER 
BRLNMAHIRS1  BERLIN  5ER 
BYTNMAMARS1  BOYLSTON  5ER 
CLTNMACHRS1  CLINTON  5ER 
HLDNMAHORS1  HOLDEN  5ER 
PRTNMABORS1  PRINCETON  5ER 
STNGMABRRS1  STERLING  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-595 A Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 0 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 1 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 2 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 3 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 5 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 7 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-595 9 Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-852 A Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-853 A Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-854 A Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-855 A Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      
508-856 A Worcester MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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