Inmate Mail

​Inmate Procedure for Receiving US Mail

We do not accept any of the items discussed below at the front desk or in person.

Personal Mail

Effective July 25th, 2022, Collin County Sheriff's office will no longer accept personal mail.

All personal mail should be mailed to:

Collin County Detention Facility
Inmate's Full Name, Inmate SO Number
P.O. BOX 247
Phoenix, MD 21131

A return name and address must appear on the envelope. Failure to follow proper procedure will result in the mail being returned to the sender.

All mail will be scanned into the system for incarcerated individuals to view on various kiosks. If you send pictures and would like them returned you must include a stamped, self-addressed envelope.

Any mail received at the facility directly will be returned to the sender.

To report any mail delivery issues, family & friends should contact TextBehind support directly at Inmates can also remind their family or friends to use this email address for all their support needs.

Legal Mail and Publications

Legal mail and publications directly from a publisher, distributor or authorized retailer should still be addressed to:

Inmate's full name, Inmate SO Number
Collin County Detention Facility
4300 Community Ave.McKinney, TX 75071

For security reasons, we accept only new newspapers, magazines or soft cover books.

Also, they must be received directly from the warehouse distribution center of an internet distributor, OR directly from the newspaper, magazine or book publisher.

NOTE: We will refuse newspapers, magazines or soft cover books shipped or mailed from a bookstore or an individual.

Also, we will refuse books that have:

  • hardcovers,
  • spiral bindings,
  • case or hardcover bindings, except for soft cover religious texts/scriptures (e.g., Bibles, Korans, Vedas, etc.)
  • nudity or sexually explicit material,
  • martial arts or self-defense tactics.

Sending Commissary

Only snack foods, hygiene supplies, correspondence supplies, and art supplies will be delivered to inmates if ordered through our authorized retailer.

NOTE: Commissary items cannot be accepted if received from an individual or an unauthorized retailer. Although not a complete list, the items below will be refused and returned to sender because they must be purchased from the authorized retailer:

  • Blank envelopes or blank writing paper
  • Postage stamps
  • Blank greeting card(s)
  • Ballpoint pens or pencils
  • Drawing pads
  • Snacks and food items
  • Hygiene supplies

Sending Money

We no longer accept checks or money orders as we are not accepting personal mail into the facility.

Refer to the Inmate Accounts section for ways to deposit money.

Miscellaneous Items NOT Allowed From Outside Sources

The following is a list of the more common items that may be returned to the sender. This is not intended to be a complete list of items.

  • Address labels
  • Books that are used or have hard covers
  • Calendars
  • Car titles or warranty deeds
  • Credit cards
  • Debit cards
  • Greeting cards that are new, unsigned
  • Laminated cards or photographic prints
  • Letters for inmates other than the addressee
  • Lottery tickets
  • Magazine clippings
  • Musical cards
  • Newspaper clippings (obituaries are given special consideration)
  • Pages removed from a book
  • The prints are instant developing (e.g., Polaroid or Fuji Instax, etc.)
  • Postcards that are new, unsigned
  • Postage stamps
  • Stickers
  • Used or hardcover books
  • Writing paper