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.

Waterloo, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
618-504 A STLVMOOH2MD  6529 T-MOBILE USA, INC. 520      
618-504 0 STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2010-09-13   
618-504 1 STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2011-12-09   
618-504 2 SWNSILBLPS0  462C CHARTER FIBERLINK - ILLINOIS, LLC - IL 520   2012-12-16   
618-504 3 MTVRILMV9MD  075A DELTA COMMS, LLC DBA CLEARWAVE COMMUNICATIONS - IL 520   2021-02-28   
618-504 4 COVLILCQXOX  495J STRATUS NETWORKS 520   2020-11-22   
618-504 5 COVLILCLPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 520   2020-10-13   
618-504 6 STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2017-06-12   
618-504 7 STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2017-06-12   
618-504 8 STLSMOGZDS5  063E PEERLESS NETWORK OF ILLINOIS, LLC - IL 520   2015-12-18   
618-504 9 STLVMOOH2MD  6529 T-MOBILE USA, INC. 520   2010-09-13   
618-938 A WTRLILXE0MD  1026 HARRISONVILLE TEL. CO. 520      
618-939 A WTRLILXE0MD  1026 HARRISONVILLE TEL. CO. 520      
618-986 A STLVMOOH6MD  6529 T-MOBILE USA, INC. 520      
618-986 9 STLVMOOH6MD  6529 T-MOBILE USA, INC. 520   2023-09-25   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.