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: 289

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-289 A Falmouth MA FLMOMAMGDS0  9102 VERIZON NEW ENGLAND INC. 128      
508-289 0 Falmouth MA   318J COMCAST IP PHONE, LLC 128   2021-08-28   
508-289 1 Falmouth MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-289 2 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      
508-289 3 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      
508-289 4 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      
508-289 5 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      
508-289 6 Falmouth MA   145J TERRA NOVA TELECOM INC. 128   2020-11-22   
508-289 7 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      
508-289 8 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      
508-289 9 Falmouth MA   9102 VERIZON NEW ENGLAND INC. 128      

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

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