Penmate Inmate Support Guides

New Mail Address for Columbia County Prison Inmates (Effective April 20, 2020)

If you send letters to someone at Columbia County Prison, the mailing address changed on April 20, 2020. Use the updated format below so your mail actually gets delivered.

• 1 min read Verified from official sources

As of April 20, 2020, Columbia County Prison changed how inmate mail is processed. That means a new mailing address. If you're writing to someone incarcerated there, you'll need to use the updated format so your letter gets accepted and delivered.

Address your envelope with the incarcerated person's full name and their inmate ID number. Both are required. Leave either one off and your mail could be delayed or rejected because staff can't match it to the right person. Double-check the spelling and the ID number before you send anything. Even a small mistake can mean the difference between delivery and a returned letter.

Mailing address: Columbia County Prison, P.O. Box 247, Phoenix, MD 21131.

Mail sent after April 20, 2020 using the old address will be returned to sender. Save yourself the extra wait and make sure you're using the new address every time you write.

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