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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-866 A Bellport NY HNTNNYSUDS2  7140 TC SYSTEMS, INC. - NY 132      
631-866 0 Bellport NY   384C ONVOY, LLC- NY 132   2016-03-14   
631-866 1 Bellport NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-10-09   
631-866 2 Bellport NY   829J PAETEC ITEL, LLC 132   2009-03-31   
631-866 4 Bellport NY   7140 TC SYSTEMS, INC. - NY 132      
631-866 5 Bellport NY   997E BANDWIDTH.COM CLEC, LLC - NY 132   2010-06-21   
631-866 6 Bellport NY   282E YMAX COMMUNICATIONS CORP. - NY 132   2008-03-07   
631-866 7 Bellport NY   7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 132   2007-11-01   
631-866 8 Bellport NY   282E YMAX COMMUNICATIONS CORP. - NY 132   2009-08-30   
631-866 9 Bellport NY   534J UCOMTEL INC. 132   2021-03-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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