You might want to check with a company called Transtelco.  They are an alternate fiber provider (outside of Telmex).

Steven Naslund

Chicago IL

From: NANOG <nanog-bounces@nanog.org> On Behalf Of Mehmet Akcin
Sent: Thursday, May 30, 2019 9:20 AM
To: nanog <nanog@nanog.org>
Subject: Mexico

Hi there

I am looking for dark fibre in several markets in México and waves from mexico city to LA and Dallas.

If you know someone in wholesale who can help, please contact me offlist 

Thank you.

Mehmet

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Mehmet
+1-424-298-1903