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.

Switch: STLSMO04RPA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-361 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-367 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-454 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-758 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-823 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-826 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-829 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-848 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-855 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-879 A St Louis MO 9533 SOUTHWESTERN BELL 520      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.