Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 631 [Rate centres in NPA 631] [Dial plan for NPA 631]

NXX: 548

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-548 A Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 0 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 1 Riverhead NY   829J PAETEC ITEL, LLC 132   2005-03-20   
631-548 2 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 3 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 4 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 5 Riverhead NY   4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132   2006-08-26   
631-548 6 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 7 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 8 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      
631-548 9 Riverhead NY   9104 VERIZON NEW YORK, INC. 132      

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

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