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: 501 [Rate centres in NPA 501] [Dial plan for NPA 501]

NXX: 316

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-316 A Benton Metro AR BNTNARNORS1  9533 SOUTHWESTERN BELL 528      
501-316 0 Benton Metro AR   9533 SOUTHWESTERN BELL 528      
501-316 1 Benton Metro AR   9533 SOUTHWESTERN BELL 528      
501-316 2 Benton Metro AR   9533 SOUTHWESTERN BELL 528      
501-316 3 Benton Metro AR   348F ONVOY, LLC - AR 528   2019-10-05   
501-316 4 Benton Metro AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2015-10-14   
501-316 5 Benton Metro AR   9533 SOUTHWESTERN BELL 528      
501-316 6 Benton Metro AR   6529 T-MOBILE USA, INC. 528   2010-08-10   
501-316 7 Benton Metro AR   6529 T-MOBILE USA, INC. 528   2010-08-10   
501-316 8 Benton Metro AR   6529 T-MOBILE USA, INC. 528   2011-09-12   
501-316 9 Benton Metro AR   6529 T-MOBILE USA, INC. 528   2011-09-12   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.