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PO Box Blocker by mnurksr
by mnurksr
Stop shipping errors and returned packages. Automatically block P.O. Boxes, APO, FPO, and restricted states in real-time during your Shopify checkout.
—(0 reviews)· From $4.99/month. Free trial available.· Launched Jun 11, 2026
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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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Data last refreshed Jun 17, 2026. Source: Shopify App Store.