How Do I Set Up Pre-Sort Mailing Program for my Office/Department?

Please fill out an ISD Mailstop Service Request. Once the SR form is completed, please send to ISDMailSupport@isd.lacounty.gov.

ISD Mailstop Service Request Form Instructions

For more information call ISD Mail Services at (323) 267-3988.

What Is Presort Mail
What Are Presort Mail Qualifications