How to Have Two Phone Numbers on one iPhone

In today’s digital age, having multiple phone numbers is becoming increasingly common for personal and professional reasons. Having two phone numbers on a single device can allow for easy communication without the need to constantly switch between different phones or SIM cards. With an iPhone, it is possible to have two phone numbers on a single device. In this article, we will discuss the various ways to achieve this.

Video Tutorial:

Part 1: Using Dual SIM Card Adapter

What is a Dual SIM Card Adapter?

A dual SIM card adapter is a small device that allows you to insert two SIM cards into your iPhone. It is a thin smartphone case that fits over your current iPhone and allows you to insert two SIM cards – one in the primary slot and one in the secondary slot. These adapters are primarily used with iPhones and other smartphone devices and can be easily removed or replaced.

How to use a Dual SIM Card Adapter?

Using a dual SIM card adapter is a straightforward process:

1. Purchase a dual SIM card adapter suitable for your iPhone model
2. Insert your primary SIM card into the adapter and insert it into your iPhone
3. Install the associated app for your dual SIM card adapter
4. Switch between the two numbers using the app

Some popular dual SIM card adapters include Magic-SIM, SIMore, and SIM case.

Part 2: Using eSIM Technology

What is an eSIM?

An eSIM is a digital SIM card, which allows you to activate a cellular plan without the need for a physical SIM card. eSIMs are built into the device itself and can be easily activated through a carrier.

How to use eSIM on an iPhone?

To use an eSIM on an iPhone:

1. Check with your carrier if they support eSIM technology and if they offer a compatible plan
2. Purchase the eSIM plan and receive a QR code or confirmation ID from your carrier
3. Go to Settings > Cellular > Add Cellular Plan on your iPhone
4. Use your iPhone to scan the QR code or enter the confirmation ID manually
5. Set up your eSIM and select it as your primary phone number

Currently, only a few carriers are supporting eSIMs for iPhones. These carriers include AT&T, Verizon, and T-Mobile in the US.

Part 3: Using Third-Party Apps

What are Third-Party Apps?

Third-party apps are applications that are developed by individuals or companies other than the manufacturer of the device. These apps can be downloaded and installed on your device through Apple’s App Store.

How to use Third-Party Apps to have two phone numbers on your iPhone?

There are several third-party apps available that allow you to have two phone numbers on your iPhone. Some popular options include Line2, Sideline, and Hushed. These apps typically require a subscription, and some may also require a phone number porting process to enable you to use an existing phone number.

To use a third-party app to have two phone numbers on your iPhone:

1. Download and install the app from Apple’s App Store
2. Follow the setup instructions provided by the app
3. Use the app to make calls and send messages using your secondary phone number

Part 4: Using Call Forwarding

What is Call Forwarding?

Call forwarding is a feature that allows you to forward calls from one phone number to another. With this feature, you can receive calls from both phone numbers on a single device.

How to use Call Forwarding to have two phone numbers on your iPhone?

To use call forwarding to have two phone numbers on your iPhone:

1. Activate call forwarding on your primary phone number by going to Settings > Phone > Call Forwarding and entering the secondary phone number you want to forward calls to
2. Make sure that your secondary phone number is set up to receive forwarded calls
3. Answer forwarded calls using your iPhone as normal

Part 5: Switching between Two SIM Cards on iPhone

How to Switch between Two SIM Cards on iPhone?

When using a dual SIM card adapter or eSIM, switching between two SIM cards can be done via the settings app on your iPhone. To switch your phone number:

1. Go to Settings > Cellular > Cellular Plans
2. Tap the number you want to use
3. This will make it the active SIM and receive calls and messages


Having two phone numbers on one iPhone can be beneficial for those who need to separate personal and professional communication or for those who want to use different numbers for different purposes. With the various methods discussed in this article, there are options available for achieving this. Whether you prefer a dual SIM card adapter, eSIM technology, third-party apps, or call forwarding, these options can all provide you with the convenience of using two phone numbers on a single device.


Q1. Can I use a dual SIM card adapter on any iPhone model?

A1. No, dual SIM card adapters are specific to iPhone models. Make sure to purchase an adapter that matches your iPhone model.

Q2. Do all carriers support eSIM technology?

A2. No, not all carriers support eSIM technology. Check with your carrier to see if they offer eSIM compatibility.

Q3. Are third-party apps reliable for having two phone numbers on an iPhone?

A3. Yes, third-party apps can be a reliable way to have two phone numbers on an iPhone. However, make sure to choose a reputable app and subscribe to a trusted service to avoid any issues.

Q4. Can I use call forwarding with any phone number?

A4. This feature is usually supported by all carriers and can be used with any phone number.

Q5. Can I use eSIM and a dual SIM card adapter together?

A5. No, you cannot use eSIM and a dual SIM card adapter together. You can only use one of these methods to have two phone numbers on a single device.

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