The best second phone number app

The number looks and works like a standard U.S. number similar to numbers you’d get from AT&T, T-Mobile, or Verizon

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SLYNUMBER
is
the
best
phone,
number
app
simply
because
our
mobile
numbers
work
everywhere.
Providers such as: Google Voice, Dialpad, Burner, Hushed, Sideline, TextNow, Phoner, Dingtone, and TextFree offer VoIP numbers that come with numerous limitations and are currently rejected by many online services and apps. SLYNUMBER is the only mobile app on the market to offer real mobile numbers. No SIM card is required.
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Phone off by 10:30
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Focus session
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Stretch for 5 minutes
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Clean workspace
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Meditate
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Step by step

How our second phone number app works

1
Download the free app

Download the calling app from the App Store or Android Play Store and pick a subscription plan.

2
Pick your number

Handpick your preferred area code and select a new mobile number, or port your existing number.

3
Start calling and texting

You can communicate with confidence knowing that your privacy is protected. Start making calls and sending texts today!

Features

It has all the features you need

SLYNUMBER offers state-of-the-art features that allow you to use your new 2nd phone number like any other mobile number, and more!

Private mobile number

SLYNUMBER is not linked to any of your personal information, so you can remain anonymous.

Caller ID with name

Our app identifies the caller’s name, in addition to the ID, with every call you receive.

Spam call blocking

Say goodbye to unwanted callers and always know who's on the line with SLYNUMBER.

Voicemail with custom greeting

A custom voicemail for your new phone number. with a personalized voicemail greeting.

Need data? We got you covered

We’re excited to introduce our latest update, featuring the new eSIM add-on. With SLYNUMBER’s eSIM, you can stay connected wherever you go, without the hassle of expensive roaming fees. When you run out, simply purchase more or pause the data until you need it again. You can activate it in a few simple steps:

Make sure your device supports eSIM

Your phone must be compatible with eSIM. After verifying, look for your destination and buy a data plan.

Follow installation instructions

Follow the provided instructions after your eSIM purchase to complete installation and activate your data plan.

Start using data

Your phone will automatically connect to the internet network.

Learn more
AI powered

SLYNUMBER is AI powered

SlyAI utilizes the best AI technology available. It is your personal conversation companion conveniently embedded in the SLYNUMBER app. Just ask and it will answer. It offers a uniquely personalized experience, like having a really smart-friend, the more you talk to it the more it gets to know you.

We protect your privacy

SLYNUMBER provides you with a second line that protects your privacy and helps you maintain your anonymity online. SLYNUMBER is a personal number that is not associated with any name, address, or billing information. No reverse look-up tool can reveal the owner of the number. It is completely anonymous

Pricing

Pricing and plans

We're always transparent about our pricing. No hidden fees - ever! Purchase your second phone number online now!

Private number
3-month plan
Annual plan

$4.49

/ per year

When you purchase this plan, here’s what you’ll get:

A US mobile number for calls, texts, and trusted OTP/2FA verifications
100 outbound credits per month
Option to add data at any time
Start today
Start today
eSIM PLAN

$4.99

/ per year

When you purchase an eSIM, here’s what you’ll get:

Global eSIM for 1 year
50MB of data per month
Pay as you go super low data rates
Get an eSIM
Get an eSIM
Add-on available at checkout

Data, SMS & Call Credits

Starting as low as $10

Credits can be used for outbound calls and texts. Check rates here. (Number required)
Credits are also used for cellular data packages. Check rates here. (eSIM required)
Available after checkout
Get started
Social media

Followus on social

Tips, updates, and real-world use cases for getting the most out of your second number: from privacy and travel to business and international calling.

FAQ

Frequently asked questions

Do I need to purchase additional credits?

Your subscription includes unlimited inbound text messaging and phone calls, as well as a 100 outbound credits. You may need to increase your outbound messaging credits depending on your usage. Note: 1 credit= 1-minute phone call, 1 text message, or 1 picture message.

Does SLYNUMBER work with financial services?

Yes, since SLYNUMBER provides real mobile numbers, it works with financial services that require phone number verification. You can securely use it to receive SMS codes and other essential notifications from your bank or other financial institutions.

Can I use SLYNUMBER outside of the US?

You can use SLYNUMBER for personal calls or business calls anywhere in the world with no roaming fees. All you need is a data connection (mobile data or WIFI).

Can I use my SLYNUMBER for international calls and messages?

Yes! SLYNUMBER can only be used to make calls and send messages to many countries across the world. can only be used to make calls and send messages to phone numbers in the US and Canada.Yes. SLYNUMBER works for international calls and messages. International rates apply, so be sure to check your balance, credit used per call or message will vary by destination.

Can I choose my area code?

Yes. SLYNUMBER offers all area codes in the US, so you can keep your phone number private and get a local number that suits you. Purchase your second mobile number, online, today!

Where is SLYNUMBER available?

The SLYNUMBER app can be downloaded in over 150 countries worldwide. It is available on both the Apple App Store and Google Play Store, making it accessible to users across a broad range of regions. Simply search for “SLYNUMBER” in your iPhone or Android app store to check availability in your country.

Why is having a real mobile phone number important?

Real mobile numbers are more versatile and reliable than internet-based VoIP numbers. Many services, including social media, shopping platforms, dating apps, and financial institutions, require real mobile numbers for verification. SLYNUMBER provides you with a second low cost line that functions just like your primary one, ensuring compatibility across various platforms. Skip the phone bill and switch to SLYNUMBER!

What sets SLYNUMBER apart from other second number apps?

SLYNUMBER is the only app that offers real mobile numbers, not just VoIP (Voice over Internet Protocol) numbers. Many other second number apps rely on internet-based numbers that may not work for all services, while SLYNUMBER provides actual mobile service numbers that are more reliable and widely accepted. Real mobile numbers are more versatile and reliable than internet-based VoIP numbers. Many services, including social media, shopping platforms, dating apps, and financial institutions, require real mobile numbers for verification. SLYNUMBER provides you with a second line that functions just like your primary one, ensuring compatibility across various platforms.

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Learn more

Best second phone number app

For helpful tips and tricks on how to use SLYNUMBER, activate apps, and other ways you can use your second phone number, contact our support team!

Best second phone number app

The only second mobile number app

Available on the iOS App Store and Google Play Store

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