Please provide us with the following information so we can better direct your inquiry.
To talk to a Customer Service representative
call us at:
1-800-295-6702
Our hours of operation are:
Monday through Saturday, from 7 am to 7 pm PST.
Telmex USA.
482 W San Ysidro Blvd.
Suite 2254
San Ysidro, CA 92173-2444
Customer number:
(9 Digits)
Please enter the e-mail you
have registered in Telmex USA:
Assistance on:
Change of address and/or telephone number
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