Reviewed on: April 21,2026
General Prison Questions-Terminology

How to give your number to an inmate in jail

want to give my phone number to a friend thats in this jail can i just call the jail or do i have to mail a letter just for a number

The most reliable way to get your phone number to an inmate is by mail.
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Answered by a former federal inmate · 14+ years advising families
✓ Verified answer June 28,2016 · General Prison Questions-Terminology
1

The most reliable way to get your phone number to an inmate is by mail.

Most jails do not allow staff to pass along personal messages like phone numbers over the phone. If you call, it really depends on who answers. Some staff may help, but most will follow policy and refuse to relay any message.

Your best options are:

  • Send a letter with your phone number clearly written
  • Use a service like InmateAid to send a letter quickly and make sure it is formatted correctly for the facility
  • Have a mutual contact who is already in touch with the inmate pass along your number

Once the inmate has your number, they will need to:

  • Add it to their approved call list
  • Wait for it to be approved if the facility requires it
  • Call you through the jail’s phone provider

Keep in mind that inmates cannot receive incoming calls, so you cannot call them directly. All calls must be initiated by the inmate.

Mail is the most dependable method, even if it takes a few days, because it ensures your number actually reaches them without relying on staff discretion.

Accepted Answer Date Created: June 28,2016
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About this answer: This response was prepared by InmateAid’s editorial team in consultation with former inmates who have direct experience with the federal correctional system. InmateAid has served families of the incarcerated since 2012. This is general information only — not legal advice. Last reviewed April 2026.