In the case of a letter sent First Class Mail, there is a $0.25 charge per additional ounce. 20 cents, up from 20 cents in 2020. Padded Flat Rate Envelope $8.75 Commercial Base $9.30 at Post Office & ...
It can be used when: At least 200 pieces of First Class Mail or Standard A Bulk Mail are sent out The items are the same size and weight, and weigh less than one pound per piece The mailing does not ...
It can be used when: At least 200 pieces of First Class Mail or Standard A Bulk Mail are sent out The items are the same size and weight, and weigh less than one pound per piece The mailing does not ...