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: STLSMO11DSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
314-256 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 0 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 3 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 4 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 5 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 6 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 7 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-256 8 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-261 2 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-269 2 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-335 8 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-445 3 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-544 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-615 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-631 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-633 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-638 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-763 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-763 6 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-763 7 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 A St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 0 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 1 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 2 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 3 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 4 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 6 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 7 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 8 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-765 9 St Louis MO 9533 SOUTHWESTERN BELL 520      
314-767 A St Louis MO 9533 SOUTHWESTERN BELL 520      

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.