Local Calling Guide

Area code/prefix search

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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 GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-978 0 Port Jefferson NY GRCYNYDYDS0  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132      
631-978 1 Port Jefferson NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2005-01-07   
631-978 2 Port Jefferson NY HCVLNYAHDS9  7126 CABLEVISION LIGHTPATH, INC. - NY 132   2023-01-11   
631-978 3 Port Jefferson NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2016-03-04   
631-978 4 Port Jefferson NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2021-11-20   
631-978 5 Port Jefferson NY NYCMNY37TMD  624H ONVOY SPECTRUM, LLC 132   2021-11-20   
631-978 6 Port Jefferson NY SYOSNYGNCM1  5562 METROPCS, INC. 132   2004-06-18   
631-978 7 Port Jefferson NY NYCQNYPLAMD  4593 BROADVIEW NETWORKS, INC. - NY 132   2005-07-14   
631-978 9 Port Jefferson NY NYCMNY37XCX  818H PEERING HUB, INC. - NY 132   2021-05-27   

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

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