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: LCPTILLPDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-552 A Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-552 5 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 A Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 0 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 1 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 2 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 3 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 6 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 7 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-588 8 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 A Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 0 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 1 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 2 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 4 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 5 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 6 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 8 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-834 9 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 A Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 0 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 2 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 3 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 5 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 7 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-836 8 Lockport IL 9329 ILLINOIS BELL TEL CO 358      
815-838 A Lockport IL 9329 ILLINOIS BELL TEL CO 358      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.