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Mailing Guidelines

Mailing FAQ

Frequently Asked Questions about Modern Postcard's mailing services.

Modern's Postal Analytics

CASS Certification, Zipcodes and Barcodes.

Postage Types

Everything you've ever wanted to know about postage.

Postal Regulations

Requirements ensure proper automated handling of your postcards by the Post Office.

Return Addresses

It may seem like a small thing, but including your return address in your postcard layout is a smart idea.

Watch and Learn: Mailing Best Practices

Our Video on Mailing Services provides a ton of information. It’s worth a view.

We use Modern Postcard's data services as our only source for direct marketing lists. Of all the sources we have used in our portrait studio, Modern's is the easiest to access, and has consistently been more accurate than other commercial sources.
Bill Keane, Owner
Keane Studios LLC