Facing Identification Mark (FIM) - Barcode Type¶
Used by the United States Postal Service (USPS), the FIM symbology is used to assist automated mail processing. There are only 4 valid symbols which can be generated using the characters A-D as shown in the table below.
| Code Letter | Usage |
|---|---|
| A | Used for courtesy reply mail and metered reply mail with a preprinted PostNet symbol. |
| B | Used for business reply mail without a pre-printed zip code. |
| C | Used for business reply mail with a pre-printed zip code. |
| D | Used for Information Based Indicia (IBI) postage. |
