PO Box Blocker by mnurksr

Prevent shipping errors by blocking P.O. Boxes at checkout.

by mnurksr · Launched: June 2026

0.0 on Shopify

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Stop shipping errors and returned packages. Automatically block P.O. Boxes, APO, FPO, and restricted states in real-time during your Shopify checkout.

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About PO Box Blocker by mnurksr

FedEx and UPS often reject P.O. Box and military (APO/FPO) addresses, causing fulfillment delays, returned packages, and extra shipping costs. PO Box Blocker solves this by automatically validating shipping addresses in real-time during checkout. If a customer enters a restricted address, they cannot complete the purchase until they provide a valid physical address. You can also block specific states or zip codes to fully control your shipping zones. Set up in seconds.

Last verified: August 22, 2026 · Fresh