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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
501-318 A Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      
501-318 0 Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      
501-318 1 Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      
501-318 2 Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      
501-318 3 Hot Springs AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2005-04-18   
501-318 4 Hot Springs AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2005-04-18   
501-318 5 Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      
501-318 6 Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      
501-318 7 Hot Springs AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
501-318 8 Hot Springs AR LTRKAR10G01  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
501-318 9 Hot Springs AR HTSPARNADS0  9533 SOUTHWESTERN BELL 528      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.