How to activate China Mobile in two cities and one in one city?
As the demand for cross-city work and life increases, China Mobile's "two cities, one service" service has become a hot topic. This service allows users to enjoy discounts on calls and data in both places within one package, and is especially suitable for users who frequently travel between the two places. Here's a detailed guide on how to sign up for Two Cities, One Service.
1. What is the “two cities, one” service?

"Two cities, one city" is a cross-regional communication service launched by China Mobile. Users can choose two cities as the primary and secondary cities and enjoy multiple benefits such as local calls and traffic. For example, if a user frequently travels between Beijing and Shanghai, he or she can set Beijing as the main city and Shanghai as the sub-city, and the call and traffic charges between the two places will be greatly reduced.
2. Activation conditions
| Conditions | Description |
|---|---|
| User type | China Mobile real-name users |
| Package requirements | Requires 4G/5G basic package |
| city limits | The main and secondary cities must be within the service coverage of China Mobile |
3. Activation method
Users can activate the "Two Cities, One Service" service in the following three ways:
| way | Operation steps |
|---|---|
| SMS activation | Send the text message "KTLCYJ" to 10086 and follow the prompts to select the primary and secondary cities. |
| APP activated | Log in to "China Mobile APP"-"Service"-"Cross-city Service"-"Two Cities and One Family" |
| Offline activation | Bring your ID card to the business hall to apply |
4. Tariff standards
| Service content | main city | Vice city |
|---|---|---|
| call cost | Local calls 0.1 yuan/minute | 0.2 yuan/minute |
| Traffic charges | Local traffic is free | 0.5 yuan/MB |
5. Things to note
1.Effective time:It will take effect within 24 hours after activation, and the main and secondary cities can be modified once a month.
2.Fee reminder:Sub-city call and data charges will be included in out-of-package charges, and users are advised to pay attention to their balance.
3.Coverage:Services may not be available in some remote areas, so please check in advance.
6. User FAQs
Q1: Can the sub-city be changed at any time?
A1: Modifications can only be made once per month and must be done through the APP or SMS.
Q2: Does this service support international cities?
A2: Currently only available in cities in mainland China.
7. Summary
China Mobile's "Two Cities, One Service" service provides great convenience to cross-city users. Through simple activation steps, you can enjoy the benefits of both places. Users can choose the appropriate method to activate according to their own needs and pay attention to the tariff rules to make full use of this service.
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