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: 336

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
479-336 A London AR RLVLARXALMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528      
479-336 0 London AR   348F ONVOY, LLC - AR 528   2022-02-27   
479-336 1 London AR   5179 LEVEL 3 COMMUNICATIONS, LLC - AR 528   2022-01-16   
479-336 2 London AR   348F ONVOY, LLC - AR 528   2021-08-08   
479-336 3 London AR   348F ONVOY, LLC - AR 528   2021-02-15   
479-336 4 London AR   048G TCA COMMUNICATIONS, LLC DBA SUDDENLINK COMM - AR 528   2023-02-17   
479-336 5 London AR   348F ONVOY, LLC - AR 528   2021-09-26   
479-336 6 London AR   348F ONVOY, LLC - AR 528   2021-04-18   
479-336 7 London AR   348F ONVOY, LLC - AR 528   2021-10-28   
479-336 8 London AR   348F ONVOY, LLC - AR 528   2021-12-02   
479-336 9 London AR   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 528   2016-04-16   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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