Requirements for First-Class and Nonprofit Mail

Minimum of 200 pieces or 50lbs.
Mail must be identical in weight and size, and contents of the mailing must be equal. This also applies to Post Cards.
Post Card Size: Minimum - 3.5” x 5” Maximum - 4.25” x 6” (Anything larger than 4.25” x 6” is considered Letter Size.)Planning of large mailing should be discussed with Mail Personnel to maximize discounts (use the bulk mail permit whenever possible).
Letters should face one way and flaps should be in down position on all letters and banded together to maximize security and avoid loss and damage to pieces.

Minimum of 200 pieces of 50 lbs.
Mail must be in “Zip code Order”
Mail must be identical in weight and size, and contents of the mail must be equal.
Post Cards can be processed this way as well, but the message must be the same.
Permit #7608 for both first class and bulk mail (nonprofit) should be printed in the upper right hand corner of the envelope (where you normally affix stamps!)
All mail must have a return address The Post Office will not process Bulk Mail without Fordham University return address.