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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-399 A Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-399 0 Southgate MA   515J IP HORIZON LLC 128   2015-10-24   
508-399 1 Southgate MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-399 2 Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-399 4 Southgate MA CHTWMABMAMD  2899 BROADVIEW NETWORKS, INC. - MA 128   2004-12-23   
508-399 5 Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-399 6 Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-399 7 Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-399 8 Southgate MA PWTCRIHIDSA  9102 VERIZON NEW ENGLAND INC. 128      
508-399 9 Southgate MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2022-04-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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