Catálogo de Estudios
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The CIS reports
How do you know if the telephone extension that is calling you is from the CIS?
If you wish to verify the extension from which the CIS has called you, you can do so through the following telephone numbers, where you will be informed of the study that is being carried out and the telephone extension from which they have called you will be verified.
morning schedule
From 8:30 a.m. to 3:30 p.m.
Contact telephone number: 678 076 136
afternoon schedule
From 3:30 p.m. to 9:30 p.m.
Contact telephone number: 617 824 329
