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: 575

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
631-575 A Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 0 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 1 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 2 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 3 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 4 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 5 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 6 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 7 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 8 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      
631-575 9 Brentwood NY SYOSNYGNCM1  5562 METROPCS, INC. 132      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.