Mahoning County Post Office

Find Mahoning County Ohio post offices and USPS mailing boxes. Post offices provide information on bulk mail services, domestic mail delivery, international shipping, change of address, mail forwarding, PO boxes, and passport services.


Austintown Post Office 6000 Mahoning Avenue Youngstown OH 44515 330-799-5061


Beloit Post Office 13666 South Main Street Beloit OH 44609 330-938-2229

Berlin Center Post Office 15401 West Akron-Canfield Road Berlin Center OH 44401 330-547-2351

Boardman Post Office 407 Boardman-Canfield Road Youngstown OH 44512 330-758-1213

Campbell Post Office 220 12th Street Campbell OH 44405 330-750-1361

Canfield Post Office 44 North Broad Street Canfield OH 44406 330-533-6884

Cornersburg Post Office 3375 Canfield Road Youngstown OH 44511 330-799-5074

Ellsworth Post Office 6036 South Salem-Warren Road North Jackson OH 44451 330-538-2300

Greenford Post Office 12184 Lisbon Road Salem OH 44460 330-533-7134

Lake Milton Post Office 17839 Mahoning Avenue Lake Milton OH 44429 330-654-4371

Lowellville Post Office 10 East Liberty Street Lowellville OH 44436 330-536-8874

New Middletown Post Office 10399 Main Street New Middletown OH 44442 330-542-2320

New Springfield Post Office 13813 Grant Street New Springfield OH 44443 330-549-5209

North Benton Post Office 9131 12th Street North Benton OH 44449 330-584-5427

North Jackson Post Office 263 South Salem-Warren Road North Jackson OH 44451 330-538-3865

North Lima Post Office 11675 South Avenue North Lima OH 44452 330-549-3662

North Side Post Office 1716 Guadalupe Avenue Youngstown OH 44504 330-743-6602

Petersburg Post Office 6363 East Garfield Road Petersburg OH 44454 330-542-3740

Poland Post Office 125 West McKinley Way Youngstown OH 44514 330-757-8616

Sebring Post Office 196 West Ohio Avenue Sebring OH 44672 330-938-6424

What Change of Address options are available?

Customers can request a temporary or permanent Change of Address either online or in person at the Post Office using PS Form 3575. The online application for Change of Address has a $1.00 identity validation fee.

Is it possible to insure mail and items sent via the USPS?

Yes. Standard mail can be insured for up to $5,000 for an additional fee. Registered mail items can be insured for up to $50,000.

What is the USPS Office of Inspector General?

The Office of Inspector General (OIG) is a division within the USPS responsible for ensuring the integrity and accountability of the postal service. It conducts investigations to safeguard the postal system and performs audits and reviews.