NoBox: PO Box Blocker

0• 0 reviews

Prevent failed deliveries by blocking PO Boxes at checkout.

Developed by Wezy

About this app

Launched

2026-01-12

Screenshots

1 / 4

PO Box Blocker App features banner with checkout screen.

Block PO Boxes, ZIP codes, cities, states & military addresses at checkout. Stop failed deliveries.

Cart and checkout validations

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, products, collections & variants
Product & variant exemptions from blocking rules
International PO Box keywords in 6 languages

Insights & Metrics

Pinned0/3

Pin up to 3 metrics for quick access.

Date Range

Analytics

In our report, LetsMetrix will cover the following analytics on usage of the NoBox: PO Box Blocker Shopify app.

Category Positions

Ranking of NoBox: PO Box Blocker in best match categories of the Shopify App Store

Name	Position	Page

Checkout - Other	113 / 342 23	5 1
Checkout	442 / 496 5	19

Insight

AI-driven summary of NoBox: PO Box Blocker category positioning

Market fluctuations observed across 2 mid-tier categories, with Checkout - Other holding to reach #113.

Featured category

Checkout - Other

2 categories analyzed

Position

#113

Category Positional Changes

Weekly rank trend in best-match categories — markers highlight app updates.

Hide Data

No data

There is no data to display for this chart.

Best alternatives to NoBox: PO Box Blocker

Shopify Checkout Blocks

4.2(177)

Free

Customize your Checkout, Thank you and Order status pages

SMART Checkout Rules & Upsells

5(555)

Free

Seamlessly customize your checkout with powerful custom rules

Razorpay COD & Magic Checkout

3.2(26)

Free to install. Additional charges may apply.

Boost conversions & reduce fake orders on Magic Checkout!

Address Validation Ninja

4.9(43)

Free plan available. Free trial available.

Address Validator for Checkout Validation • Stop Bad Orders

Ultimate PO Box Blocker

5(5)

From $8.99/month. Free trial available.

Block PO boxes in real-time, save time & prevent lost packages

Ultimate Postal Code Blocker

5(3)

From $8.99/month. Free trial available.

Prevent unwanted deliveries by blocking specific postal codes