News
Shopify SEO
Shopify development
NoBox: PO Box Blocker
- by Wezy
- From $4.99/month. Free trial available.
- by Wezy
- From $4.99/month. Free trial available.
Block PO Boxes, military addresses, ZIP codes, cities, and states at checkout. Prevent failed deliveries with customizable rules.
Claim app
Verify your developer profile to earn a badge and build trust to your apps
About the NoBox: PO Box Blocker
NoBox prevents failed deliveries by blocking PO Box addresses at checkout. The app detects all common PO Box formats like "PO Box", "P.O. Box", "POBOX", and "P.O.BOX" in both address fields. Merchants can add custom blocking keywords and restrict orders from specific ZIP codes, postal code ranges, cities, states, countries, and military addresses. International merchants benefit from PO Box detection in six languages. You can exempt specific products or variants from blocking rules when needed. All error messages are fully customizable to match your store's tone. Stop shipping failures before they happen by preventing problematic addresses from completing checkout.
Launched: January 12, 2026
Key features
- Detect all variations including "PO Box", "P.O. Box", "POBOX", and "P.O.BOX"
- Fully customizable error messages and keywords
- Block ZIP codes, cities, states & countries
- Product & variant exemptions from blocking rules
- International PO Box keywords in 6 languages
Integrations with:
- Checkout
Category:
Pricing of NoBox: PO Box Blocker
Unlimited Plan
$4.99 / month
or $49.99/year and save 17%
- Block PO Boxes instantly
- Fully customizable messages
- Customize Blocking keywords
- Seamless checkout integration
- Premium support
Pro plan
$9.99 / month
or $99.90/year and save 17%
- ZIP code and range blocking
- City and state blocking
- Country blocking
- Military address blocking
- APO, FPO, and DPO detection
- International keywords in 6 languages
- Product and variant exemptions
- Premium support
