Backgroud Image

THE ONLY SECOND MOBILE NUMBER APP

SLYNUMBER can do everything your primary mobile number can, but with added privacy for $2.99/mo.

Google Play StoreApple App Store
Use it to activate:
WhatapptelegramPaypalvinstagramtiderhunamedamazonsnapchat
...and more!
monthly plan
$2.99 USD/month
annual plan
$29.99 USD/year
Get Started
Slynumber extra number
SLYNUMBER IS THE ONLY SECOND PHONE NUMBER APP ON THE MARKET TO OFFER REAL MOBILE PHONE NUMBERS - no SIM card required.
Phone carrier providers such as: Google Voice, Burner, Sideline, Hushed, Phoner, Dingtone, and TextFree offer VoIP numbers that come with numerous limitations and are currently rejected by many online service and apps. SLYNUMBER is the best second phone number app simply because mobile phone numbers work everywhere!
Learn More

HOW DOES IT WORK?

  • 1. Download our free app from the App Store or Google Play Store
  • 2. Select a subscription plan
  • 3. Pick your 2nd phone number
  • 4. Start voice calling & sending text messages.
1
Download our free app from the App Store or Google Play Store
2
Select a subscription plan
3
Pick your 2nd phone number
4
Start voice calling & sending text messages.

WHAT DOES YOUR SUBSCRIPTION INCLUDE?

  • private inbound mobile number

    Private Mobile

    Number

  • caller id with name

    Caller ID with

    Name

  • mute and spam blocking

    Mute & Spam

    Blocking

  • voicemail inbox

    Voicemail

    Inbox

WHAT IS THE COST?

$8.99
3-MONTH BASE PLAN
$29.99
ANNUAL PLAN
All incoming calls and sms are included, as well as a 100 free outbound calls. Additional credits to make voice calls and send text messages can be purchased at any time.

HOW 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.
FREQUENTLY ASKED QUESTIONS
Get Started
Get SLYNUMBER on iPhone
Get SLYNUMBER on Android
Pricing & Plans
Features & Benefits
Top Area Codes
424 California
845 New York
970 Colorado
380 Columbus, Ohio
Top Benefits
SLYNUMBER for Small Businesses
SLYNUMBER for Dating
Benefits of 2nd Cell Phone Number
Virtual Number App
HAVE QUESTIONS?
For more information about SLYNUMBER email us at support@slynumber.com. We will respond to you during our regular business hours 9am-5pm ET.