A Cloaked eSIM is a carrier-backed phone number delivered through an embedded SIM (eSIM) instead of a physical SIM card.
An eSIM is built directly into your device and activated digitally. It connects to a mobile carrier network just like a traditional SIM card and does not rely on internet-based (VoIP) routing.
From a technical standpoint, a Cloaked eSIM:
Is a real cellular phone line
Has its own phone number
Can make and receive calls and texts
Uses carrier networks rather than VoIP
Functionally, it behaves the same as a standard mobile phone number.
How Cloaked eSIM Differs From Standard Cloaked Numbers
Most Cloaked-generated phone numbers are virtual (VoIP-based). These work well for everyday use but may be rejected by some services that require carrier-verified numbers.
A Cloaked eSIM provides a carrier-backed number, which allows it to be used with services that block VoIP numbers, such as:
Certain banks and financial institutions
Insurance providers
Some verification or authentication systems
Both options protect your personal phone number. The difference is how the number is delivered and how third-party services classify it.
When a Cloaked eSIM Is Useful
A Cloaked eSIM may be a good option if you:
Need a Cloaked number that works with services that block VoIP
Want a second phone number without carrying a second device
Need a carrier-backed number for account verification
Want to use iMessage with a Cloaked number on iPhone
Many users continue to use standard Cloaked numbers for most signups and reserve a Cloaked eSIM only for situations that require a traditional cellular number.
Device Requirements
To use a Cloaked eSIM:
Your device must support eSIM
Your device must be unlocked
You must have an available eSIM slot
No additional hardware is required. Installation is completed through the Cloaked app or dashboard and typically takes only a few minutes.
Using Cloaked eSIM on Your Phone
Once installed, the Cloaked eSIM appears as an additional line on your device.
You can:
Switch between your personal number and Cloaked eSIM
Choose which number to use for calls and texts
Keep communications separated at the device level
On iPhone, Cloaked eSIM can be enabled for iMessage through iOS settings.
What Does the Cloaked eSIM Support?
Calls and Texts ✅
You can make and receive voice calls and text messages using your Cloaked eSIM.
Banking and Financial Apps ✅
Cloaked eSIM numbers can be used for many financial services, including apps like PayPal, Cash App, and similar platforms.
Insurance and Healthcare ✅
Cloaked eSIM numbers can be used with insurance providers and healthcare services to help protect sensitive personal information.
Limitations of Cloaked eSIM
International Roaming
Cloaked eSIM does not currently support international roaming.
Mobile Data
Cloaked eSIM does not provide cellular data at this time.
Number Sharing
To reduce exposure, Cloaked recommends only using your eSIM number when standard Cloaked numbers are rejected.
Cloaked eSIMs currently support US phone numbers only.
Voicemail With Cloaked eSIM
Voicemail is enabled by default for all Cloaked eSIM users.
The voicemail PIN is the last four digits of your Cloaked eSIM phone number.
Technical Details
Carrier Network
Cloaked eSIM is powered by T-Mobile’s network.
Supported Devices
Device compatibility depends on your hardware and carrier configuration. Some devices may not support dual eSIMs.
If your current carrier uses your device’s only eSIM slot, a SIM swap may be required.
Troubleshooting
Device Not Compatible
Device Not Compatible
If you see a compatibility error:
Confirm your device is unlocked
Confirm you have an available eSIM slot
Some carriers install their SIM by default into the eSIM slot. In this case, contact your carrier to request a SIM swap.
Carrier-Locked Devices
Carrier-Locked Devices
Carrier-locked devices cannot install Cloaked eSIM. Contact your carrier to unlock the device.
eSIM Slot Already in Use
eSIM Slot Already in Use
If your current carrier uses an eSIM (for example, Google Fi), you may need to switch your carrier SIM to a physical SIM before installing Cloaked eSIM.
Cloaked does not currently offer a physical SIM option.