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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NPA: 626 [Rate centres in NPA 626] [Dial plan for NPA 626]

NXX: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-843 A Monrovia CA   649C ONVOY, LLC - CA 730   2026-06-06   
626-843 0 Monrovia CA   649C ONVOY, LLC - CA 730   2026-06-06   
626-843 1 Monrovia CA   649C ONVOY, LLC - CA 730   2026-06-06   

Last updated: Sun, 17 May 2026 03:26:51 UTC

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