Yes, if you are not an inmate yourself. Check with the facility that the person is in. Most of them have websites and can be found by going to the appropriate government site. There may be restrictions.
What state is the inmate in? If that person is in California, you contact the County jail; give them the name, and birthdate of the person you're looking for.
If the person is in Prison; you contact the State Prison board for the state you think the inmate might be in. Then provide the same info as if looking for someone in county jail.
Or you can go to the courthouse where the inmate was convicted and provide the same info, as mentioned above.
Every institution has its own procedures by which packages are mailed to an inmate. Check with that institution.
Yes. Every letter mailed in the US needs a stamp.
The direct object in the sentence is "letter." It is the recipient of the action performed by the subject "Leo."
The size of the letter and where it is being mailed from are important factors. If it is being mailed from California, the price would be very different from if it was being mailed from Japan.
3 days
write them a letter.
Mailed ... it's the past tense of the action verb, mail as in to 'mail a letter.'
CERTIFIED
Tempe, Arizona
Postmark gives three things: date, time, and place mailed.
1919.
sent