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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-336 A Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-336 0 Brentwood NY   5562 METROPCS, INC. 132   2010-09-20   
631-336 1 Brentwood NY   5562 METROPCS, INC. 132   2011-05-21   
631-336 2 Brentwood NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2011-02-19   
631-336 3 Brentwood NY   5562 METROPCS, INC. 132   2011-05-21   
631-336 4 Brentwood NY   5562 METROPCS, INC. 132   2011-05-21   
631-336 5 Brentwood NY   7126 CABLEVISION LIGHTPATH, INC. - NY 132   2010-10-14   
631-336 6 Brentwood NY   5562 METROPCS, INC. 132   2010-07-23   
631-336 7 Brentwood NY   5562 METROPCS, INC. 132   2010-07-23   
631-336 8 Brentwood NY   5562 METROPCS, INC. 132   2011-05-21   
631-336 9 Brentwood NY   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2010-09-30   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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