Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 479 [Rate centres in NPA 479] [Dial plan for NPA 479]

NXX: 554

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-554 A Fort Smith AR   7277 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR 526   2025-03-13   
479-554 0 Fort Smith AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2025-03-14   
479-554 1 Fort Smith AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2025-03-14   
479-554 8 Fort Smith AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 526   2025-03-14   
479-554 9 Fort Smith AR   7277 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - AR 526   2025-03-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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