Local Calling Guide

Area code/prefix search

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OCN: 0978 ALHAMBRA-GRANTFORK TEL. CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
618-488 A Alhambra IL ALHBILXEDS0  520      
618-675 A Grantfork IL ALHBILXEDS0  520      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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