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: 372

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
573-372 A Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520      
573-372 0 Gravois Mills MO MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-01-21   
573-372 1 Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520      
573-372 2 Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520      
573-372 3 Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520      
573-372 4 Gravois Mills MO STLTMOBODS1  7432 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO 520   2014-01-31   
573-372 5 Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520      
573-372 6 Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520      
573-372 7 Gravois Mills MO STLSMO09WMD  516C AT&T CORP. 520   2013-11-08   
573-372 8 Gravois Mills MO STLSMOPLDS4  4932 LEVEL 3 COMMUNICATIONS, LLC - MO 520   2012-02-06   
573-372 9 Gravois Mills MO GRMLMOFRRSB  9533 SOUTHWESTERN BELL 520   2021-08-19   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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