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: WAHMMAHIDS0

Remotes:

Switch Switch name Switch type
BZBYMAPERS1  BUZZARDS BAY  5ER 
MARNMAMIRS1  MARION  5ER 
MTPSMAMHRS1  MATTAPOISETT  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-273 A Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-273 0 Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-273 1 Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-273 4 Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-273 9 Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-291 A Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-295 A Wareham MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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