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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-336 A Seekonk MA EPRVRINB336  9102 VERIZON NEW ENGLAND INC. 128      
508-336 0 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 1 Seekonk MA   145J TERRA NOVA TELECOM INC. 128   2022-05-05   
508-336 2 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 3 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 4 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 5 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 6 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 7 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 8 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      
508-336 9 Seekonk MA   9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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