Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 336 [Rate centres in NPA 336] [Dial plan for NPA 336]

NXX: 428

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
336-428 A Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424      
336-428 0 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2003-11-24   
336-428 1 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2003-11-24   
336-428 2 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2005-04-17   
336-428 3 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2005-04-17   
336-428 4 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424   2005-09-19   
336-428 5 Elkin NC GNBONCEU65Z  5562 METROPCS, INC. 424   2006-06-01   
336-428 6 Elkin NC GNBONCEU65Z  5562 METROPCS, INC. 424   2005-01-11   
336-428 7 Elkin NC GNBONCEU65Z  5562 METROPCS, INC. 424   2003-07-07   
336-428 8 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424      
336-428 9 Elkin NC ELKNNCXAJMD  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 424      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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