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Cumberland County Jail Inmate Mail

When mailing a letter or postcard to an inmate, please address your mail as follows:

Inmate's Full Name
Cumberland County Jail
50 County Way
Portland, ME 04102

All mail sent to an inmate at the Cumberland County Jail must include the sender's name and mailing address in the top left corner of the envelope or postcard.

Failure to include your return address will most likely result in your mail NOT being delivered and your letter destroyed.

Main Phone: 207-774-5939

The information below provides complete instructions regarding the Cumberland County Jail Inmate Mail Policies, Mail Instructions, what type of mail is NOT allowed, Rules for Mailing letters, photos, postcards, emailing an inmate, magazines, newspapers, books and packages to Cumberland County Jail in Portland, Maine.

Follow these instructions exactly to help ensure that your inmate receives his/her mail and not have it thrown away.

The Cumberland County Jail has a zero-tolerance policy regarding mail violations.

Type of Mail Allowed for Cumberland County Jail


The Cumberland County Jail allows inmates to receive pre-metered postcards like the type purchased from the post office. They may also allow certain photo postcards as long as they have not been tampered with or contain images that may be considered to be obscene or violent in nature.


The Cumberland County Jail also allows inmates to receive letters and greeting cards in envelopes. The envelopes must be white in color and must be legal sized (letter sized, oblong).

Mail to:

Inmate’s first and last name

C/O Cumberland County Jail

50 County Way

Portland, ME 04102



Subscriptions sent directly from the publisher to the inmate are allowed.


You may send magazines. The inmate is not allowed more than two subscriptions at a time. The magazine must be mailed directly to the inmate from the publisher or Amazon.com. Any magazines that contain profanity, weapons, pornography or other content that is adult in nature will be confiscated by the jail staff and will NOT be delivered to the inmate.


You may send soft cover books to the inmate as long as they are mailed directly from the publisher or Amazon.com to the inmate.

Books must NOT contain images or content that are considered excessively violent, pornographic or obscene. Any book that does not meet the Cumberland County Jail standards will be disposed of.

Hard cover books will not be accepted by the jail due to their potential to be used as a weapon.

Care packages

Care packages are pre-chosen items packaged together and sent to the inmate from a third-party vendor. They can include clothing, snacks and seasonal items.

When a jail allows the inmate to receive Care Packages they must come directly from an approved company that specializes in serving the inmates of jails.

Call 207-774-5939 or click here or here to see if the Cumberland County Jail participates in a Care Package program and if so, how to purchase one.

Mailed Items NOT Allowed

If your inmate is mailed anything other than a letter, postcard or greeting card it won't get through.

However as stated above, because of the increased smuggling of drugs, more and more jails are only allowing pre-stamped or metered, solid color or white postcards to be received by inmates.

Examples of prohibited items include:

Homemade cards or poster cards

Blank paper, cards, or stamps

Cards that are bigger an 5 x 7

Anything with stickers including address labels

Anything with crayon or marker on it

Magazines, books, newspapers NOT from the publisher

Items having suspicious stains or markings

Instant camera photos (i.e. Polaroids)

Food items or cosmetic items

Photos larger than 4" X 6"

Pictures or drawings of nude, obscene, or sexually explicit material

Musical or recordable cards

Foreign unidentified substances

Correspondence in code

Magazine or newspaper clippings

Identification cards or facsimiles

Lottery tickets or prepaid phone cards

Mail that violates a not-contact order, PFA, or other court order

Anything that is gang-related

Cash, personal checks, second party checks

Call 207-774-5939 or click here for a complete list of prohibited items.

How to address your Inmate's Postcard or Envelope

Inmate's Full Name
Cumberland County Jail
50 County Way
Portland, ME 04102

All mail sent to an inmate at the Cumberland County Jail must include the senders name and mailing address in the top left corner of the envelope or postcard.

Failure to include your return address will most likely result in your mail NOT being delivered and discarded.

To confirm the mailing address and/or any new policies regarding inmate mail call 207-774-5939 or check the most recent updates on the jail's website by going here.

Policies Regarding Mailing Photos to the Cumberland County Jail

Photos should not exceed 4 inches high x 6 inches wide.

Send no more than 10 photos at one time.

Polaroid Photos are prohibited.

Photos of weapons are prohibited.

Photos of drugs, the consuming of drugs or alcohol is prohibited.

Photos of lewd behavior or people exhibiting too much skin is prohibited.

Important Mail Tips

Mail is always scanned and inspected for contraband, obscenity and other rule infractions.

If there is no return address it will be returned to the post office and the inmate will not receive it.

Anything that staff feels is a threat to the security of the jail, its staff, the inmates or the public will be turned over to administrators for investigation.


Assume that everything you write will be read by jail staff and can and will be used against you or your inmate in court.  

Never write anything about the inmate's court case you wouldn't want read aloud in court.

Mail is considered by the jail to be a privilege. Any violations of the mail policies can result in the inmate's mail privileges being suspended.

The introduction of contraband by you into the jail through the mail could result in criminal charges being filed against both you and the inmate.

Click here to view contact information for the Cumberland County Jail.

Emailing an Inmate

A growing number of jails now offer email services to inmates and their families. This can save you time by letting you view your email from your Smart Phone, computer or tablet whenever you wish.

In addition, you don't have to deal with envelopes, stamps or the post office.

Inmates like it because the emails typically eliminate delayed mail runs so they can get your correspondence much more quickly and send responses immediately.

Jail staff likes it as it eliminates concerns about contraband entering the facility in envelopes and on paper. It also allows the jail to have an electronic record that can be called upon at any time.

Anything you or your inmate writes in an email service is put through a filter program that looks for certain words related to criminal and/or gang activities.

There have been multiple cases in which emails between inmates and their friends or loved ones has been used as evidence in criminal court cases to convict them or to file new charges.

Call 207-774-5939 or click here to see if email services are being offered at this jail and if so, how to sign up you and your inmate.

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