Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-380 A Stony Brook NY HNTNNYSUDS2  7140 TC SYSTEMS,INC. - NY 132      
631-380 1 Stony Brook NY NYCMNYBXDSL  384C ONVOY, LLC NY 132   2020-06-21   
631-380 2 Stony Brook NY HNTNNYSUDS2  7140 TC SYSTEMS,INC. - NY 132      
631-380 3 Stony Brook NY GRCYNYDYDS0  7133 MCI WORLDCOM COMMUNICATIONS INC. - NY 132   2003-06-09   
631-380 4 Stony Brook NY NYCMNYBXDSL  384C ONVOY, LLC NY 132   2020-06-21   
631-380 5 Stony Brook NY NYCMNY83DSR  8340 XO NEW YORK, INC. 132   2005-10-16   
631-380 6 Stony Brook NY NYCMNY83DSR  8340 XO NEW YORK, INC. 132   2005-10-16   
631-380 7 Stony Brook NY NYCMNY83DSR  8340 XO NEW YORK, INC. 132   2005-10-16   
631-380 8 Stony Brook NY NYCMNYBX3MD  473G TELENGY L.L.C. - NY 132   2012-02-27   
631-380 9 Stony Brook NY NYCMNY83DSR  8340 XO NEW YORK, INC. 132   2010-10-25   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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