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: WPBDMAPIDS0

Remotes:

Switch Switch name Switch type
NRDGMACERS1  NORTH READING  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
978-535 A Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 A Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 0 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 2 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 3 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 4 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 5 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 6 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 7 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 8 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      
978-536 9 Peabody MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.