Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 573 [Rate centres in NPA 573] [Dial plan for NPA 573]

NXX: 406

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-406 A Hannibal MO HNBLMOACDSA  9533 SOUTHWESTERN BELL 520      
573-406 0 Hannibal MO   9533 SOUTHWESTERN BELL 520      
573-406 1 Hannibal MO   9533 SOUTHWESTERN BELL 520      
573-406 2 Hannibal MO   6275 UNITED STATES CELLULAR - MO 520      
573-406 3 Hannibal MO   6275 UNITED STATES CELLULAR - MO 520      
573-406 4 Hannibal MO   6275 UNITED STATES CELLULAR - MO 520      
573-406 5 Hannibal MO   9533 SOUTHWESTERN BELL 520      
573-406 6 Hannibal MO   9533 SOUTHWESTERN BELL 520      
573-406 7 Hannibal MO   6275 UNITED STATES CELLULAR - MO 520      
573-406 8 Hannibal MO   6275 UNITED STATES CELLULAR - MO 520      
573-406 9 Hannibal MO   6275 UNITED STATES CELLULAR - MO 520      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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