New Castle Post Office

NOTICE: The Postal Service is an essential government service, and will remain open wherever possible.

501 Delaware St, New Castle, DE 19720

Contact Numbers

Phone: 302-328-6472
Fax: 302-328-8307
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)

Retail Hours







Lobby Hours
PO Box Access Available

Monday 7:00am - 5:30pm
Tuesday 7:00am - 5:30pm
Wednesday 7:00am - 5:30pm
Thursday 7:00am - 5:30pm
Friday 7:00am - 5:30pm
Saturday 7:00am - 2:00pm
Sunday Closed

Last Collection Times

Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 3:30pm
Sunday Closed

*This facility does not process US Passports applications or renewals. Check nearby locations below.

  • Burial Flags
  • Business Line
  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Duck Stamps
  • General Delivery
  • Money Orders (Domestic)
  • Money Orders (Inquiry)
  • Money Orders (International)
  • Packaged Stamps
  • Pickup Accountable Mail
  • Pickup Hold Mail
  • PO Box Online
  • Street Parking

Visit our Links Page for Holiday Schedule, Change of Address, Hold Mail/Stop Delivery, PO Box rentals and fees, and Available Jobs.

*Please call to verify information. Is anything incorrect? Let us know here

Nearby Post Offices:

Centerpoint
105 Johnson Way
0.8 mile away

Wilmington Box
147 Quigley Blvd
1.4 miles away

Manor
100 McMullen Ave
1.4 miles away

Pennsville
220 S Broadway
2.1 miles away

Reviews

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Good afternoon, officer! We have a parcel with delivery № LY382009280CN Shown as not delivered 7pm customer works up to 5pm address 18 Boulden CIR STE 2, A132407 CAMEX LLC, New Castle, Delaware, United States, 19720-3494 Could you please help me deliver up to 5pm ... Sunday resurrection customer does not work Thanks in advance Asif Bayramov regards
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9405508205497760211155 9405508205496370761401 9405510202079442111791 officer, please help search and reliver these 3 packages again, during working days. thx
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Got to the new castle post office at 4:00 PM and they were already closed!!! Then they wonder why the orange clown wants to get rid of the post offices!!! The only one doing the work is the carriers!!! The ones at the offices are doing nothing!!!
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where is my parcel ????????? Deliveries from China may be delayed. Shipped Step 1 - Completed - Shipped Thu, Jul 2Thu, Jul 2 In transit Step 2 - Exception - In transit Out for delivery Step 3 - Upcoming - Out for delivery Estimated delivery Step 4 - Upcoming - Estimated delivery Tue, Aug 25Tue, Aug 25 Tracking details SpeedPAK tracking #ES10009047226840001010001G0N Jul 13, 2020 9:55am Shipment Acceptance at Post Office NEW CASTLE, DE 19720 Jul 10, 2020 1:36am Destination DC arrival EDGEWOOD, NY 11717
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One of your Carriers is stealing my mail and I have not been able to get in contact with anybody
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Unless you have it on video and your not a head case you have nothing .
• Replied to Desiree Cuff

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Good afternoon officer, We have missing package w/tr# 4201972092748927005455000007533380 Shown as delivered, but not received by my PO at 18 Boulden CIR STE 2, A106274 CAMEX LLC, New castle, Delaware, United States, 19720-3494 Could you, please, provide me any proof of delivery, so I can clarify situation with my PO. Thanks in advance Rauf Khanlarov Regards
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They are probably walking off the job after signing in like they did in the early 90s
• Replied to Rauf

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missing packadge tracking number is USPS LW985712131CN it says it was delverd a few days ago however im still waitting now what do i do
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