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: FRMNMAUNRP1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
508-233 A Natick MA 9102 VERIZON NEW ENGLAND INC. 128      
508-253 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-270 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-271 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-312 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-323 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-354 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-370 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-383 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-387 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-390 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-391 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-396 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-424 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-483 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-489 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-522 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-592 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-600 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-620 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-626 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-628 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-661 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-724 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-766 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-820 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-872 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-875 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-879 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-935 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      
508-988 A Framingham MA 9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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