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: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-387 A Commack NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-387 0 Commack NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-387 1 Commack NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2003-09-20   
631-387 2 Commack NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2003-09-20   
631-387 3 Commack NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2004-07-12   
631-387 4 Commack NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2013-01-17   
631-387 5 Commack NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2004-10-18   
631-387 6 Commack NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2004-12-24   
631-387 7 Commack NY   145J TERRA NOVA TELECOM INC. 132   2022-05-05   
631-387 8 Commack NY BRWDNYBW6KD  7421 AT&T - LOCAL 132   2001-11-19   
631-387 9 Commack NY NYCMNYZRX1X  145J TERRA NOVA TELECOM INC. 132   2022-12-16   

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

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