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.

NPA: 618 [Rate centres in NPA 618] [Dial plan for NPA 618]

NXX: 430

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
618-430 A Hecker IL   593K MCC TELEPHONY LLC 520      
618-430 1 Hecker IL   593K MCC TELEPHONY LLC 520      
618-430 4 Hecker IL STLSMOWQDS2  224C ONVOY, LLC 520      
618-430 8 Hecker IL   6529 T-MOBILE USA, INC. 520      
618-430 9 Hecker IL   6529 T-MOBILE USA, INC. 520      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.