WILMINGTON, DE Post Office

3911 CONCORD PIKE WILMINGTON, DE 19803 - 9997

Lot Parking Available

Phone 302-479-9501

Fax 302-323-3772

TTY 877-889-2457

Lobby Hours

  • Mon-Fri 12:01 AM - 11:59 PM
  • Sat-Sun Closed

PO Box Access Hours

  • Mon-Fri 12:01 AM - 11:59 PM
  • Sat-Sun Closed

Post Office On-Site Services

  • Business Reply Mail Account Balance
  • Business Reply Mail New Permit
  • Call Referral
  • Pickup Accountable Mail
  • Pickup Hold Mail