Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Maxville, MO

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
636-746 7 STLSMOGZHMD  516J TON80 COMMUNICATIONS, LLC 520   2022-04-09   
636-746 8 STLSMOWQ8MD  073H TELNYX LLC 520   2023-05-26   
636-746 9 MNCHMOAQGT1  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 520   2023-08-12   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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