Post offices in the county of New Castle, DE
Use this page to find the post offices in your county that open earliest or stay open latest. The open hours listed are for the post office's retail hours, which means the hours in which a postal service employee is available at the counter to help with mailings and other services. Oftentimes lobbies are open extended hours, and you are able to check your PO box, drop off packages, or use the self-service APC machine to buy postage. The list below is first sorted alphabetically by city, then by post office name. Street View photos of post offices are shown when available. Please contact us if you find an error, so that we can correct it.
Bear Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 125 Rickey Blvd Bear, DE 19701-9998 Get directions
- Open hours
Day Open Close Monday 9:00 AM 6:00 PM Tuesday 9:00 AM 6:00 PM Wednesday 9:00 AM 6:00 PM Thursday 9:00 AM 6:00 PM Friday 9:00 AM 6:00 PM Saturday 9:00 AM 1:00 PM Sunday Closed - Phone
- 302-838-5006
- Fax
- 302-838-2461
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Newark Carrier Annex Post Office does not have retail counter services
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 125 Rickey Blvd Bear, DE 19701-9997 Get directions
- Open hours
Day Open Close - Phone
- 302-838-5027
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Claymont Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3430 Philadelphia Pike Claymont, DE 19703-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 5:00 PM Tuesday 8:00 AM 5:00 PM Wednesday 8:00 AM 5:00 PM Thursday 8:00 AM 5:00 PM Friday 8:00 AM 5:00 PM Saturday 8:00 AM 12:00 PM Sunday Closed - Phone
- 302-798-6671
- Fax
- 302-798-5041
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Delaware City Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 54 Clinton St Delaware City, DE 19706-9998 Get directions
- Open hours
Day Open Close Monday 8:30 AM 5:00 PM Tuesday 8:30 AM 5:00 PM Wednesday 8:30 AM 5:00 PM Thursday 8:30 AM 5:00 PM Friday 8:30 AM 5:00 PM Saturday 8:00 AM 12:00 PM Sunday Closed - Phone
- 302-834-4716
- Fax
- 302-834-0754
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Hockessin Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 651 Valley Rd Hockessin, DE 19707-9998 Get directions
- Open hours
Day Open Close Monday 7:00 AM 4:30 PM Tuesday 7:00 AM 4:30 PM Wednesday 7:00 AM 4:30 PM Thursday 7:00 AM 4:30 PM Friday 7:00 AM 4:30 PM Saturday 9:00 AM 1:00 PM Sunday Closed - Phone
- 302-239-4240
- Fax
- 302-635-2038
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Kirkwood Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 2501 Red Lion Rd Kirkwood, DE 19708-9998 Get directions
- Open hours
Day Open Close Monday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Tuesday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Wednesday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Thursday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Friday 10:00 AM 1:00 PM 1:30 PM 4:30 PM Saturday 8:00 AM 11:30 AM Sunday Closed - Phone
- 302-834-9487
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Middletown Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 298 E Main St Middletown, DE 19709-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 5:30 PM Tuesday 8:00 AM 5:30 PM Wednesday 8:00 AM 5:30 PM Thursday 8:00 AM 5:30 PM Friday 8:00 AM 5:30 PM Saturday 8:30 AM 1:00 PM Sunday Closed - Phone
- 302-378-6241
- Fax
- 302-376-0340
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Montchanin Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 101 Stone Block Row Montchanin, DE 19710-9998 Get directions
- Open hours
Day Open Close Monday 7:00 AM 4:30 PM Tuesday 7:00 AM 4:30 PM Wednesday 7:00 AM 4:30 PM Thursday 7:00 AM 4:30 PM Friday 7:00 AM 4:30 PM Saturday 7:00 AM 11:00 AM Sunday Closed - Phone
- 302-652-1054
- Fax
- 302-652-5666
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Centerpoint Post Office does not have retail counter services
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 105 Johnson Way New Castle, DE 19720-9997 Get directions
- Open hours
Day Open Close - Phone
- 302-328-6472
- Fax
- 302-328-2671
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Manor Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 100 Mcmullen Ave New Castle, DE 19720-9996 Get directions
- Open hours
Day Open Close Monday 9:00 AM 1:00 PM 2:00 PM 5:00 PM Tuesday 9:00 AM 1:00 PM 2:00 PM 5:00 PM Wednesday 9:00 AM 1:00 PM 2:00 PM 5:00 PM Thursday 9:00 AM 1:00 PM 2:00 PM 5:00 PM Friday 9:00 AM 1:00 PM 2:00 PM 5:00 PM Saturday 8:00 AM 11:30 AM Sunday Closed - Phone
- 302-328-5893
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
New Castle Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 501 Delaware St New Castle, DE 19720-9998 Get directions
- Open hours
Day Open Close Monday 8:30 AM 5:00 PM Tuesday 8:30 AM 5:00 PM Wednesday 8:30 AM 5:00 PM Thursday 8:30 AM 5:00 PM Friday 8:30 AM 5:00 PM Saturday 7:30 AM 1:30 PM Sunday Closed - Phone
- 302-328-6472
- Fax
- 302-328-8307
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Wilmington Box Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 147 Quigley Blvd New Castle, DE 19720-9696 Get directions
- Open hours
Day Open Close Monday 8:00 AM 7:00 PM Tuesday 8:00 AM 7:00 PM Wednesday 8:00 AM 7:00 PM Thursday 8:00 AM 7:00 PM Friday 8:00 AM 7:00 PM Saturday 8:00 AM 4:00 PM Sunday Closed - Phone
- 302-323-2260
- Fax
- 302-323-3702
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Federal Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 110 E Main St Newark, DE 19711-9997 Get directions
- Open hours
Day Open Close Monday 9:00 AM 4:00 PM Tuesday 9:00 AM 4:00 PM Wednesday 9:00 AM 4:00 PM Thursday 9:00 AM 4:00 PM Friday 9:00 AM 4:00 PM Saturday 8:00 AM 12:00 PM Sunday Closed - Phone
- 302-368-3833
- Fax
- 302-368-7849
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Newark Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- Po Box Locker Newark, DE 19711-9998 Get directions
- Open hours
Day Open Close Monday 7:30 AM 6:00 PM Tuesday 7:30 AM 6:00 PM Wednesday 7:30 AM 6:00 PM Thursday 7:30 AM 6:00 PM Friday 7:30 AM 6:00 PM Saturday 8:00 AM 1:00 PM Sunday Closed - Phone
- 302-737-5771
- Fax
- 302-738-2490
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Odessa Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 312 Main St Odessa, DE 19730-9998 Get directions
- Open hours
Day Open Close Monday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Tuesday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Wednesday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Thursday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Friday 8:30 AM 12:00 PM 1:00 PM 4:30 PM Saturday 9:00 AM 12:00 PM Sunday Closed - Phone
- 302-378-2047
- Fax
- 302-378-2047
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Port Penn Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3 S Congress St Port Penn, DE 19731-9998 Get directions
- Open hours
Day Open Close Monday 12:45 PM 4:45 PM Tuesday 12:45 PM 4:45 PM Wednesday 12:45 PM 4:45 PM Thursday 12:45 PM 4:45 PM Friday 12:45 PM 4:45 PM Saturday 8:00 AM 12:00 PM Sunday Closed - Phone
- 302-834-5091
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Rockland Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 700 Rockland Rd Rockland, DE 19732-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 12:30 PM 2:00 PM 4:00 PM Tuesday 8:00 AM 12:30 PM 2:00 PM 4:00 PM Wednesday 8:00 AM 12:30 PM 2:00 PM 4:00 PM Thursday 8:00 AM 12:30 PM 2:00 PM 4:00 PM Friday 8:00 AM 12:30 PM 2:00 PM 4:00 PM Saturday 7:00 AM 11:00 AM Sunday Closed - Phone
- 302-652-7708
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Saint Georges Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 201 Broad St Saint Georges, DE 19733-9998 Get directions
- Open hours
Day Open Close Monday 10:15 AM 1:15 PM 1:45 PM 4:45 PM Tuesday 10:15 AM 1:15 PM 1:45 PM 4:45 PM Wednesday 10:15 AM 1:15 PM 1:45 PM 4:45 PM Thursday 10:15 AM 1:15 PM 1:45 PM 4:45 PM Friday 10:15 AM 1:15 PM 1:45 PM 4:45 PM Saturday 8:00 AM 11:30 AM Sunday Closed - Phone
- 302-834-9075
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Townsend Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 400 Main St Townsend, DE 19734-9998 Get directions
- Open hours
Day Open Close Monday 7:30 AM 5:00 PM Tuesday 7:30 AM 5:00 PM Wednesday 7:30 AM 5:00 PM Thursday 7:30 AM 5:00 PM Friday 7:30 AM 5:00 PM Saturday 7:30 AM 11:30 AM Sunday Closed - Phone
- 302-378-2592
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Edgemoor Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 4901 Governor Printz Blvd Wilmington, DE 19809-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 5:30 PM Tuesday 8:00 AM 5:30 PM Wednesday 8:00 AM 5:30 PM Thursday 8:00 AM 5:30 PM Friday 8:00 AM 5:30 PM Saturday 8:00 AM 3:00 PM Sunday Closed - Phone
- 302-762-1833
- Fax
- 302-762-1240
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Greenville Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3801 Kennett Pike Ste A101 Wilmington, DE 19807-9998 Get directions
- Open hours
Day Open Close Monday 8:30 AM 6:00 PM Tuesday 8:30 AM 6:00 PM Wednesday 8:30 AM 6:00 PM Thursday 8:30 AM 6:00 PM Friday 8:30 AM 6:00 PM Saturday 9:00 AM 1:00 PM Sunday Closed - Phone
- 302-652-5449
- Fax
- 302-777-1679
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Lancaster Ave Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 1500 Lancaster Ave Wilmington, DE 19805-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 5:00 PM Tuesday 8:00 AM 5:00 PM Wednesday 8:00 AM 5:00 PM Thursday 8:00 AM 5:00 PM Friday 8:00 AM 5:00 PM Saturday 8:00 AM 2:00 PM Sunday Closed - Phone
- 302-654-0725
- Fax
- 302-654-0624
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Marshallton Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3434 Old Capitol Trl Wilmington, DE 19808-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 5:00 PM Tuesday 8:00 AM 5:00 PM Wednesday 8:00 AM 5:00 PM Thursday 8:00 AM 5:00 PM Friday 8:00 AM 5:00 PM Saturday 9:00 AM 3:00 PM Sunday Closed - Phone
- 302-998-1168
- Fax
- 302-998-8054
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Newport Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 1704 W Newport Pike Wilmington, DE 19804-9998 Get directions
- Open hours
Day Open Close Monday 8:00 AM 5:00 PM Tuesday 8:00 AM 5:00 PM Wednesday 8:00 AM 5:00 PM Thursday 8:00 AM 5:00 PM Friday 8:00 AM 5:00 PM Saturday 8:00 AM 1:00 PM Sunday Closed - Phone
- 302-994-5029
- Fax
- 302-998-7197
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Rodney Sq Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 500 Delaware Ave Ste 1 Wilmington, DE 19801-9998 Get directions
- Open hours
Day Open Close Monday 7:00 AM 5:30 PM Tuesday 7:00 AM 5:30 PM Wednesday 7:00 AM 5:30 PM Thursday 7:00 AM 5:30 PM Friday 7:00 AM 5:30 PM Saturday 9:00 AM 2:00 PM Sunday Closed - Phone
- 302-656-0228
- Fax
- 302-777-1525
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Talleyville Post Office is currently open
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3911 Concord Pike Wilmington, DE 19803-9995 Get directions
- Open hours
Day Open Close Monday 7:30 AM 6:00 PM Tuesday 7:30 AM 6:00 PM Wednesday 7:30 AM 6:00 PM Thursday 7:30 AM 6:00 PM Friday 7:30 AM 6:00 PM Saturday 8:30 AM 3:30 PM Sunday Closed - Phone
- 302-478-5753
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Talleyville Carrier Annex Post Office does not have retail counter services
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3505 Silverside Rd Ste 103 Wilmington, DE 19810-9998 Get directions
- Open hours
Day Open Close - Phone
- 302-478-3201
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Wilmington Post Office does not have retail counter services
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 3911 Concord Pike Wilmington, DE 19803-9997 Get directions
- Open hours
Day Open Close - Phone
- 302-479-9501
- Fax
- 302-323-3772
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value
Yorklyn Post Office is currently closed
For parking and list of services available, visit the official USPS page for post this post office location.
- Post office address
- 1149 Yorklyn Rd Yorklyn, DE 19736-9998 Get directions
- Open hours
Day Open Close Monday 8:30 AM 11:30 AM 12:30 PM 4:30 PM Tuesday 8:30 AM 11:30 AM 12:30 PM 4:30 PM Wednesday 8:30 AM 11:30 AM 12:30 PM 4:30 PM Thursday 8:30 AM 11:30 AM 12:30 PM 4:30 PM Friday 8:30 AM 11:30 AM 12:30 PM 4:30 PM Saturday 8:00 AM 12:00 PM Sunday Closed - Phone
- 302-239-2702
- Fax
- 302-239-1860
- Offer
- Discounted USPS and UPS rates of up to 84%.
- Promo code
- MAIL100 $100 value