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: 978

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-978 A Port Jefferson NY NYCMNY83DS5  8340 XO NEW YORK, INC. 132      
631-978 0 Port Jefferson NY   8340 XO NEW YORK, INC. 132      
631-978 1 Port Jefferson NY   6664 SPRINT SPECTRUM L.P. 132   2005-01-07   
631-978 3 Port Jefferson NY   384C ONVOY, LLC NY 132   2016-03-04   
631-978 6 Port Jefferson NY   6664 SPRINT SPECTRUM L.P. 132   2004-06-18   
631-978 7 Port Jefferson NY   4593 BROADVIEW NETWORKS, INC. - NY 132   2005-07-14   
631-978 8 Port Jefferson NY   6664 SPRINT SPECTRUM L.P. 132   2005-02-03   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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