Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 464 [Rate centres in NPA 464] [Dial plan for NPA 464]

NXX: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
464-270 A La Grange IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-06-30   
464-270 4 La Grange IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-11-28   
464-270 5 La Grange IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-11-28   
464-270 7 La Grange IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-06-30   
464-270 8 La Grange IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-06-30   
464-270 9 La Grange IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-06-30   

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

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