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: SPFDILSDX5X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-203 7 Buffalo IL 516C AT&T CORP. 374      
217-210 2 Springfield IL 516C AT&T CORP. 374      
217-487 5 Cantrall IL 516C AT&T CORP. 374      
217-501 8 Petersburg IL 516C AT&T CORP. 374      
217-572 A Springfield IL 516C AT&T CORP. 374      
217-572 1 Springfield IL 516C AT&T CORP. 374      
217-576 A Rochester IL 516C AT&T CORP. 374      
217-576 7 Rochester IL 516C AT&T CORP. 374      
217-629 2 Riverton IL 516C AT&T CORP. 374      
217-706 5 Decatur IL 516C AT&T CORP. 374      
217-952 7 Athens IL 516C AT&T CORP. 374      
447-267 2 Oakford IL 516C AT&T CORP. 374      
447-427 8 Tallula IL 516C AT&T CORP. 374      
447-786 2 Harristown IL 516C AT&T CORP. 374      

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

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