Mail Piece Sizes
POSTCARD DIMENSIONS
LENGTH
Minimum: 5" inches
Maximum: 6" inches
HEIGHT
Minimum: 3.5" inches
Maximum: 4.25" inches
THICKNESS
Minimum: 0.007" inches
Maximum: 0.016" inches
- Pieces exceeding 4.25” high or 6” long are charged as letter rates.
- Aspect ratio (length divided by height) must be between 1.3 and 2.5, or piece is non-machinable.
LETTER DIMENSIONS
LENGTHMinimum: 5" inches
Maximum: 11.5" inches
HEIGHT
Minimum: 3.5" inches
Maximum: 6.125" inches
THICKNESS
Minimum: 0.007" inches
Maximum: 0.25" inches
MAXIMUM WEIGHT
First Class: 3.3 oz Non-Automation or
3.5 oz Automation
Standard: 3.3 oz Non-Automation or
3.5 oz Automation
- Pieces exceeding 4.25” high or 6” long must be at least .009” thick.
- Aspect ratio (length divided by height) must be between 1.3 and 2.5, or piece is non-machinable.
- Letter size pieces exceeding 3.5 ounces are charged as flats.
FLAT DIMENSIONS
LENGTHMinimum: 11.5" inches
Maximum: 15" inches
HEIGHT
Minimum: 6.125" inches
Maximum: 12" inches
THICKNESS
Minimum: 0.25" inches
Maximum: 0.75" inches
MAXIMUM WEIGHT
First Class: Less than 13 ounces
Standard: Less than 16 ounces
- Pieces that exceed the flat size dimension are charged as parcels.
- Flats that are not flexible, not rectangular and not uniform in thickness are charged as parcels.
- All automation flats must bear barcodes - as currently required for automated letters.
| Folded Self Mailer LENGTH Minimum: 5" inches Maximum: 11.5" inches HEIGHT Minimum: 3.5" inches Maximum: 6.125" inches THICKNESS Minimum: .007" inches Maximum: .25" inches
|
Letter Size Booklets (Stitched or Bound) LENGTH Minimum: 5" inches Maximum: 10.5" inches HEIGHT Minimum: 3.5" inches Maximum: 6" inches THICKNESS Minimum: .009" inches Maximum: .25" inches
|
For More Information, Please Visit:
DMM 200 - Commercial Mail Letters and Cards
DMM 300 - Commercial Mail Flats
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