Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-370 A Framingham MA FRMNMAUNRP1  9102 VERIZON NEW ENGLAND INC. 128      
508-370 0 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 1 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 2 Framingham MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-01-29   
508-370 3 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 4 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 5 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 6 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 7 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 8 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      
508-370 9 Framingham MA   9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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