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: SPFDILESXXX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
447-233 A Decatur IL 516J TON80 COMMUNICATIONS, LLC 374      
447-233 3 Decatur IL 516J TON80 COMMUNICATIONS, LLC 374   2022-05-01   
447-427 3 Tallula IL 516J TON80 COMMUNICATIONS, LLC 374   2022-02-04   
447-466 A Chatham IL 516J TON80 COMMUNICATIONS, LLC 374      
447-466 3 Chatham IL 516J TON80 COMMUNICATIONS, LLC 374   2022-04-25   
447-743 A Springfield IL 516J TON80 COMMUNICATIONS, LLC 374      
447-743 2 Springfield IL 516J TON80 COMMUNICATIONS, LLC 374   2021-07-31   
447-837 A Buffalo IL 516J TON80 COMMUNICATIONS, LLC 374      
447-837 4 Buffalo IL 516J TON80 COMMUNICATIONS, LLC 374   2022-04-25   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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