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: MLFRMAWADS0

Remotes:

Switch Switch name Switch type
UPTNMAPIRS1  UPTON  5ER 
UXBRMACORS1  UXBRIDGE  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-422 A Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-422 1 Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-422 2 Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-422 3 Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-422 9 Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-473 A Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-478 A Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-482 A Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-634 A Milford MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 A Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 0 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 1 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 2 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 3 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 4 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 5 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-966 9 Bellingham MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sat, 02 May 2026 12:20:53 UTC

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