---
title: "co:sim Promo Codes"
description: "Promo Codes at co:sim. Check for offers and shopping options on Refermate."
canonical_url: "https://refermate.com/store/co-sim/promo-codes"
md_url: "https://refermate.com/store/co-sim/promo-codes"
last_updated: "2026-09-23T05:07:36.487Z"
---
# co:sim Promo Codes - 10% Off + Up to 8.4% Cash Back

- URL: https://refermate.com/store/co-sim/promo-codes
- Page: Promo Codes
- Store: co:sim
- Featured current offer: 10% Off
- Current offers: 2 offers
- Store website: https://cosim.io
- Last refreshed: Wednesday, September 23, 2026

## Current Offers

### 1. 10% OFF
Type: Coupon code
Code: `Welcome10`
Description: Get 10% Off Sitewide

### 2. 10% OFF
Type: Deal
Description: Get 10% Off Your First Order With Email Sign Up

## About co:sim

co:sim is a United States-focused service that provides eSIM-based mobile connectivity for travelers and international data usage. Customers can purchase digital SIM plans for supported destinations without needing a physical SIM card.

## Frequently Asked Questions

### 1. How many co:sim promo codes are available right now?
co:sim currently has 2 current offers listed. Availability and terms can change, so check the offer details before checkout.

### 2. What is a current featured offer at co:sim?
One current featured co:sim offer is "10% Off". Availability and terms can change, so review the offer details before checkout.

### 3. Does co:sim offer cash back?
Yes, you can earn up to 8.4% cash back on eligible co:sim purchases through Refermate. The offer and cash back terms determine whether a promo code can be combined with it.

### 4. How do I use a promo code at co:sim?
When a code is listed, copy it from this page, add your items to your co:sim cart, and paste the code in the promo code field at checkout. Check the offer terms to confirm the discount applies.

### 5. When was this co:sim promo codes page updated?
Refermate updates this page when its co:sim offer or store data changes. Check the current offer details before shopping.

## Explore More

- Site map: https://refermate.com/sitemap.md
- Store sitemap: https://refermate.com/stores/sitemap.md
- Store directory: https://refermate.com/stores