| ID |
| Express Mail International |
989 |
| First Class Mail |
980 |
| First Class Mail International |
987 |
| First Class Package International |
988 |
| Ground Advantage |
948 |
| Ground Advantage Returns |
949 |
| Library Mail |
986 |
| Media Mail |
985 |
| Priority Mail |
981 |
| Priority Mail Express |
982 |
| Priority Mail International |
990 |
| Priority Mail Return Service |
914 |
See full PB Shipping API (CarrierID=106) Reference.
