Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 1 Riverhead NY GRCYNYGCX0Y  3864 CTC COMMUNICATIONS CORP. - NY 132      
631-548 2 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 3 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 4 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 5 Riverhead NY NYCMNY83DSZ  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 132      
631-548 6 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 7 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 8 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      
631-548 9 Riverhead NY RVHDNYRVDS0  9104 VERIZON NEW YORK, INC. 132      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.