Current Service Type Identifier (STID) Table
-The STID (Service Type Identifier) is a three-digit numeric code used within the Intelligent Mail® barcode (IMb™) on a mailpiece that identifies the address correction or [...]
Service Type Identifier
UPDATED: Ancillary Service Type Identifier (STID) Details
The updated Appendix A provides a detailed description of the various address correction options available within basic / Nonautomation and full-service mailings and the [...]