Where is my phone number?

Last Updated: July 2026

Often, the hardest part of getting a new number is remembering it. Here are three quick ways to retrieve your SecondSim number.

⚡ Bottom Line Up Front (BLUF):

To find your SecondSim number instantly, dial the free code *#100# on your device's dialer, navigate to your active line profile in your phone's cellular network settings, or access your secure online SecondSim team management account.

  • ✔ Instant Dial Code: Dial *#100# directly from the dialer on your SecondSim line to display the mobile number on-screen.
  • ✔ iPhone / Android settings: Check under Settings > Mobile Service (or Sim Card Manager) and click your active SecondSim profile to view your assigned number.
  • ✔ SecondSim Dashboard: Sign in to your corporate dashboard at any time to review your billing profile and active numbers.
1

The Quick Dial Code

The fastest way to see your number is to dial this free shortcode from your SecondSim line.

Dial

Press call from your business line

*#100#

Your number will pop up on the screen instantly.

2

Find on iPhone
  1. Open Settings.
  2. Tap on Mobile Service (or Cellular / Mobile Data).
  3. Under the "SIMs" section, tap on your SecondSim (often labeled Business, Secondary, or Travel).
  4. Your number is displayed as "My Number" on this screen.
3

Find on Android
  1. Open Settings.
  2. Tap on Connections.
  3. Tap on SIM Manager.
  4. Your number will be displayed under your active SecondSim eSIM profile.