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: 718

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-718 A Ronkonkoma NY   5562 METROPCS, INC. 132   2025-05-21   
631-718 7 Ronkonkoma NY   155E PEERLESS NETWORK OF NEW YORK, LLC - NY 132   2025-06-13   
631-718 8 Ronkonkoma NY   6622 OMNIPOINT COMMUNICATIONS, INC. - NY 132   2025-05-22   
631-718 9 Ronkonkoma NY   5562 METROPCS, INC. 132   2025-05-21   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.