Local Calling Guide

Area code/prefix search

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Altona, IL

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
309-484 A VCTAILXDRS0  1054 MID CENTURY TEL. COOP., INC. 977      
309-609 A GLBGILXD5MD  593K MCC TELEPHONY LLC 977      
309-609 9 GLBGILXD5MD  593K MCC TELEPHONY LLC 977   2010-07-24   

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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