Ultimate Postal Code Blocker

Ultimate Postal Code Blocker

Pricing
From $8.99/month. Free trial available.
Highlights
Use directly in Shopify admin
Rating
5.0 (1)

Block Costly Undeliverable Postal Codes in Real Time at Checkout. On Any Store Plan.

Stop expensive shipping mistakes before they start. Ultimate Postal Code Blocker scans the address field in real time and rejects high-cost or undeliverable postal codes—no Carrier Calculated Shipping required. Compatible with all store plans, it handles thousands of codes or more, providing real-time protection. Reduce losses, protect your brand, and navigate tough areas effortlessly.

Stop expensive shipping mistakes before they start. Ultimate Postal Code Blocker scans the address field in real time and rejects high-cost or undeliverable postal codes—no Carrier Calculated Shipping required. Compatible with all store plans, it handles thousands of codes or more, providing real-time protection. Reduce losses, protect your brand, and navigate tough areas effortlessly. more
  • Auto-block undeliverable postal codes at checkout.
  • Eliminate time, effort, and costs resolving address issues after purchase.
  • Works on all Store plans. No Carrier Shipping needed.
  • Simple installation with seamless integration—minimal setup needed.
  • Block thousands of codes or more.
Highlights
Use directly in Shopify admin

Languages

English

Works with

Pricing

Pro Monthly Plan

$8.99 / month

  • Stop high-cost postal codes in real-time
  • Setup in a few clicks
  • Customize your blocking message
  • Handle 1000+ codes with ease
  • Advanced Settings at your fingertips
  • Integrate Seamlessly with Shopify
  • Anytime Support

30-day free trial

Pro Yearly Plan

$96.99 / year

  • Stop high-cost postal codes in real-time
  • Setup in a few clicks
  • Customize your blocking message
  • Handle 1000+ codes with ease
  • Advanced Settings at your fingertips
  • Integrate Seamlessly with Shopify
  • Anytime Support
  • Save 10% yearly

30-day free trial

All charges are billed in USD. Recurring and usage-based charges are billed every 30 days.

Reviews (1)

Overall rating
5
Counts per rating level
  • 100% of ratings are 5 stars
  • 0% of ratings are 4 stars
  • 0% of ratings are 3 stars
  • 0% of ratings are 2 stars
  • 0% of ratings are 1 stars
September 3, 2025

Very easy to install. I was looking for an app that would allow me only to send to the major cities in Canada so I didn't receive unexpected remote delivery charges. The developer quickly added a whitelist option to the whole country blocking, which was a very quick and elegant solution.

Vermilion Jewellery
Australia
1 day using the app
MSM TECHNOLOGIES replied September 4, 2025

Thank you for your trust in us!

Support

App support provided by MSM TECHNOLOGIES.

Developer

MSM TECHNOLOGIES

1915 rue Poupart, Montreal, QC, H2K3H1, CA

Launched

November 25, 2024

Data access

This app needs access to the following data to work on your store. Learn why in the developer's privacy policy .

View personal data:

Customers, store owner

  • Customers

    Name, email address, phone number, physical address, geolocation, IP address, browser and operating system

  • Store owner

    Name, email address, phone number, physical address

View and edit store data:

Products, orders, Shopify Functions

  • View products

    Products or collections

  • View orders

    Shipping information

  • Edit Shopify Functions

    Access for delivery customizations

  • Edit other data

    Locales or translations

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