Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 254 [Rate centres in NPA 254] [Dial plan for NPA 254]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
254-420 A Waco TX WACOTXHEDS0  9533 SOUTHWESTERN BELL 556      
254-420 0 Waco TX   9533 SOUTHWESTERN BELL 556      
254-420 1 Waco TX   9533 SOUTHWESTERN BELL 556      
254-420 2 Waco TX   9533 SOUTHWESTERN BELL 556      
254-420 3 Waco TX   9533 SOUTHWESTERN BELL 556      
254-420 4 Waco TX   9533 SOUTHWESTERN BELL 556      
254-420 5 Waco TX   9533 SOUTHWESTERN BELL 556      
254-420 6 Waco TX   5562 METROPCS, INC. 556   2010-03-05   
254-420 7 Waco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2016-03-25   
254-420 8 Waco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2016-03-25   
254-420 9 Waco TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 556   2016-03-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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