What is the mailing address for Ulster Correctional Facility?
P.O. Box 800, Napanoch, NY 12458-0800, with the person's full name and DIN on the first line and your return address in the top left corner of the envelope.
Mail & PhotosUlster's name belongs to a state prison, a county jail and a county, and Napanoch holds a second state prison, so P.O. Box 800 is the number that keeps a letter on course. Connect with your loved one in minutes.
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Letters to Ulster go to P.O. Box 800, Napanoch, NY 12458-0800. There is one box and no separate family box. The risk is the name: the Ulster County Jail in Kingston is a different place with different mail, and Eastern NY Correctional Facility in the same hamlet takes P.O. Box 338.
John Smith, 12A3456
Ulster Correctional Facility
P.O. Box 800
Napanoch, NY 12458-0800
Name and DIN together on the first line. The DIN is the Department Identification Number the state lookup returns, and mail without one cannot be sorted to a person.
Many New York prisons publish a business box on the address line and a separate family box in brackets beside it. Ulster does not. NYSDOCCS lists the address as 750 Berme Road, P.O. Box 800, Napanoch, NY 12458-0800, and that box is the one for family mail as well. The last four digits of the ZIP, 0800, match the box.
Two New York state prisons sit in Napanoch, and both use the five-digit ZIP 12458.
| Ulster | Eastern NY | |
|---|---|---|
| Security | Medium | Maximum |
| Street | 750 Berme Road | 30 Institution Rd |
| Box | P.O. Box 800 | P.O. Box 338 |
| ZIP | 12458-0800 | 12458-0338 |
The facility name and the box have to agree. A letter with the other prison’s box goes to the other prison, and nobody carries it down the road.
The Ulster County Jail is run by the county at 380 Boulevard in Kingston. It holds people awaiting trial or serving short sentences, and it has its own mail rules. Someone in state custody at Ulster Correctional Facility is in Napanoch, and their mail goes to P.O. Box 800.
A letter with no return address is treated as contraband and is not delivered. That is the department’s own wording and it holds statewide.
Mail at Ulster is opened and inspected at the prison and then handed over. Your envelope, your handwriting, your paper.
Many New York county jails now route personal mail to a scanning centre and deliver it as an image on a tablet. State prisons do not.
Published by the department and applying statewide.
| Refused | Note |
|---|---|
| Polaroid photographs | The format itself, whatever the picture shows |
| Nude photographs | |
| Postage stamps | Do not enclose stamps for a reply |
| Letters from other people | Third-party mail, with an exception for children |
| Tape, glue or paste | Including on newspaper clippings |
| Cash, checks, money orders | Covered below |
There is also a paper limit: five pages of printed or photocopied material per letter, with newspaper clippings counting one page each. Legal papers for an active case can exceed it only with the Superintendent’s written permission, obtained in advance, and no more than once every four months.
Ordinary printed photographs get through and they are the best thing you can put in an envelope.
Polaroids do not, anywhere in New York, because of the format and not the picture. An instant print has a thick backing that can conceal things, so the category is excluded.
Order prints from a photo service or print them at home on ordinary photo paper, and keep writing on the back to a name and a date.
Nothing financial goes in the envelope. The inspection is looking for exactly that.
Deposits go to the JPay lockbox, PO Box 531190, Miami, Florida 33153, with a JPay deposit slip, capped at $999.99 per money order and free by post. On a visit day the lockbox inside Ulster takes $50 in cash a day in total.
Families cannot post or carry packages in. Everything arrives directly from an approved vendor by USPS, FedEx or UPS.
The allowance is two non-food packages a year and three food packages a month, food capped at a combined 40 pounds. The department publishes a disapproved vendor list and Directive #4911 carries the detail.
Mail from a lawyer or a court is privileged under Directive #4421, and it is opened in front of the person it is addressed to, not in the mailroom.
A family member cannot send ordinary mail under a legal label. Trying it puts the letter at risk instead of speeding it up.
Ulster gives most families one weekend day, set by the DIN, and the rest of the week belongs to the post and the phone.
Pigeonly prints and sends letters and photos to Ulster with P.O. Box 800, the full ZIP and the DIN already in place, so the envelope goes to Napanoch and not to Kingston or down the road.
6 of 10 questions
P.O. Box 800, Napanoch, NY 12458-0800, with the person's full name and DIN on the first line and your return address in the top left corner of the envelope.
Mail & PhotosNo. Ulster County Jail is the county's jail at 380 Boulevard in Kingston, with its own mail rules. Ulster Correctional Facility is a state prison in Napanoch and takes mail at P.O. Box 800.
Mail & PhotosThey are separate state prisons in Napanoch. Ulster takes P.O. Box 800, ZIP 12458-0800. Eastern NY takes P.O. Box 338, ZIP 12458-0338.
Mail & PhotosNo. Ulster publishes one box, P.O. Box 800, and it serves family mail as well as the prison's own post.
Mail & PhotosYes. A letter with no return address is treated as contraband and is not delivered. That is the department's own wording and it applies at every New York state prison.
Mail & PhotosThe actual letter. Mail at Ulster is opened and inspected at the prison and then handed over on paper. Many New York county jails scan personal mail, but state prisons do not.
Mail & PhotosOrdinary printed photographs, yes. Polaroids are refused throughout New York because of the format, not the image, since the backing can conceal things. Nude photographs are also refused.
Mail & PhotosFive pages of printed or photocopied material per letter, with newspaper clippings counting as a page each. Legal papers for an active case can exceed that only with the Superintendent's written permission in advance.
Mail & PhotosNot yourself. Packages come directly from an approved vendor by USPS, FedEx or UPS. The allowance is two non-food packages a year and three food packages a month, with food capped at 40 pounds combined.
Mail & PhotosYes. Mail from a lawyer or a court is privileged under Directive #4421 and is opened in front of the person it is addressed to. Ordinary family mail cannot be sent under a legal label.
Mail & PhotosThe DIN on the envelope comes from here.
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All information on this page comes directly from official government and facility sources. How we verify information › Last verified September 28, 2026. Official source: doccs.ny.gov/location/ulster-correctional-facility ›