Due to the extraordinary conditions caused by Hurricane Katrina, OPM has already instituted expedited procedures for replacement of monthly annuity checks not received in the areas affected. If you receive your monthly annuity by check and mail service has been interrupted, please call 1-888-767-6738 (toll free) or 1-202-606-0540. Upon verification of identity, OPM will arrange for a replacement payment in a matter of days.