Seaford Post Office
3575 Merrick Rd, Seaford, NY 11783
Phone: 516-785-3851
Fax: 516-785-2423
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 5:45am - 5:00pm
Tuesday 5:45am - 5:00pm
Wednesday 5:45am - 5:00pm
Thursday 5:45am - 5:00pm
Friday 5:45am - 5:00pm
Saturday 5:45am - 5:00pm
Sunday Closed
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 4:00pm
Sunday Closed
Monday 10:00am - 3:00pm
Tuesday 10:00am - 3:00pm
Wednesday 10:00am - 3:00pm
Thursday 10:00am - 3:00pm
Friday 10:00am - 3:00pm
Saturday Closed
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Bulk Mail Acceptance
- Bulk Mail Account Balance
- Bulk Mail New Permit
- Burial Flags
- Business Line
- Business Reply Mail Account Balance
- Business Reply Mail New Permit
- Duck Stamps
- General Delivery
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Packaged Stamps
- Pickup Accountable Mail
- Pickup Hold Mail
- PO Box Online
- Lot 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:
Wantagh
3300 Park Ave
0.6 mile away
Massapequa
80 Killians Rd
1.0 miles away
North Wantagh
1250 Wantagh Ave
1.1 miles away
Bellmore
2611 Merrick Rd
1.2 miles away
Nassau County
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