Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-421 A Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 0 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 1 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 2 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 3 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 4 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 5 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 6 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 7 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 8 Chattanooga TN CHTGTNNSXCZ  5562 METROPCS, INC. 472      
423-421 9 Chattanooga TN CHTGTNNSXCZ  7473 POWERTEL ATLANTA LICENSES, INC. 472      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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