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: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-957 A Hyannis MA HYNSMAOCDS1  9102 VERIZON NEW ENGLAND INC. 128      
508-957 0 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 1 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 2 Hyannis MA   318J COMCAST IP PHONE, LLC 128   2006-11-14   
508-957 3 Hyannis MA   892D ONVOY, LLC - MA 128   2012-03-16   
508-957 4 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 5 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 6 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 7 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 8 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      
508-957 9 Hyannis MA   9102 VERIZON NEW ENGLAND INC. 128      

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

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