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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-542 A Ronkonkoma NY NYCMNYBX3MD  473G TELENGY L.L.C. - NY 132      
631-542 0 Ronkonkoma NY NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132      
631-542 1 Ronkonkoma NY NYCMNYBX3MD  473G TELENGY L.L.C. - NY 132      
631-542 2 Ronkonkoma NY WHPLNYWPXOY  997E BANDWIDTH.COM CLEC, LLC - NY 132      
631-542 3 Ronkonkoma NY SYOSNYGNCM1  6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132      
631-542 4 Ronkonkoma NY NYCMNY37UMD  321J HD CARRIER LLC 132      
631-542 5 Ronkonkoma NY NYCMNY371MD  4152 PAETEC COMMUNICATIONS, INC. - NY 132      
631-542 6 Ronkonkoma NY NYCMNYZRYMD  508J CENTURYLINK COMMUNICATIONS, LLC 132      
631-542 7 Ronkonkoma NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
631-542 8 Ronkonkoma NY NYCMNYZRDBS  155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132      
631-542 9 Ronkonkoma NY   515J IP HORIZON LLC 132      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.