What does oper stand for?

Operation (DD)

Operation (TBD)

Coin Phones, Inc. (SAUS)

Office of Policy and Economic Research - Federal Home Loan Bank Board - Washington, DC (GRD)

Office of Policy, Evaluation, and Research - Employment and Training Administration - Department of Labor

Open Roadsters - NCIC car make code

Operating - Automotive engineering

Operation - or Operational (KSC)

Operations, Operate, Operator (SAUS)

Operator