PO stands for Postal Box.
RR stands for Rural Route.
If you don't have one of these as part of your mailing address, leave those spaces blank.
What is my RR or my po box number.
P.O. box, rural route (RR) is used for destinations without a street address. If you do not have a P.O. Box this field can be left blank. Use your street address, city, province and postal code.
Whats rr mean
Po what is that
