Delaware Post Office

Find Delaware Delaware 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.


Delaware City Post Office 54 Clinton Street Delaware DE 19706 302-834-4716


Saint Georges Post Office 201 Broad Street St. Georges DE 19733 3.4 miles from Delaware 302-834-9075

Port Penn Post Office 3 South Congress Street Port Penn DE 19731 4.5 miles from Delaware 302-834-5091

Kirkwood Post Office 2501 Red Lion Road Kirkwood DE 19708 5.5 miles from Delaware 302-834-9487

Wilmington Box Post Office 147 Quigley Boulevard New Castle DE 19720 5.6 miles from Delaware 302-323-2260

New Castle Post Office 501 Delaware Street New Castle DE 19720 5.9 miles from Delaware 302-328-2392

Pennsville Post Office 220 South Broadway Pennsville NJ 08070 6.1 miles from Delaware 856-678-5999

Bear Post Office 125 Rickey Boulevard Bear DE 19701 6.3 miles from Delaware 302-838-5006

Salem Post Office 120 West Broadway Salem NJ 08079 6.7 miles from Delaware 856-935-5516

Manor Post Office 100 McMullen Avenue New Castle DE 19720 7.9 miles from Delaware 302-328-5893

Hancocks Bridge Post Office 500 Locust Island Road Hancocks Bridge NJ 08038 8.9 miles from Delaware 856-935-2114

Deepwater Post Office 582 North Broadway Pennsville NJ 08023 9.2 miles from Delaware 856-299-4252

Odessa Post Office 312 Main Street Odessa DE 19730 9.3 miles from Delaware 302-378-2047

Newport Post Office 1704 West Newport Pike Wilmington DE 19804 9.5 miles from Delaware 302-994-5029

Newark Post Office 401 Ogletown Road Newark DE 19711 10.4 miles from Delaware 302-737-5771

Marshallton Post Office 3434 Old Capitol Trail Wilmington DE 19808 10.6 miles from Delaware 302-998-1168

Middletown Post Office 298 East Main Street Middletown DE 19709 10.8 miles from Delaware 302-378-3026

Federal Post Office 110 East Main Street Newark DE 19711 10.9 miles from Delaware 302-368-4541

Lancaster Ave Post Office 1500 Lancaster Avenue Wilmington DE 19805 11.4 miles from Delaware 302-654-0725

Rodney Sq Post Office 500 Delaware Avenue Wilmington DE 19801 11.8 miles from Delaware 302-656-0228

About Post Offices

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.