Final answer:
In ATLAS, the insured's effective date, paid-to date, and tenure with GEICO can be found in the customer's policy record.
Step-by-step explanation:
In ATLAS, CSR can locate the insured's effective date, paid-to date, and tenure with GEICO by accessing the policy details. These details can be found within the customer's policy record in ATLAS. The effective date represents the start date of the insurance coverage, the paid-to date is the last date for which the premium has been paid, and the tenure indicates the length of time the insured has been with GEICO.