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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.

Modern Postcard’s project submission and tracking tools, staff responsiveness and quality of the final product all exceeded our expectations. And the timeline was significantly shorter than if we had kept the project in-house.
Dilpreet Jammu
CEO, Convergent Communication Technologies