Holtsville Post Office
162 Long Island Ave, Holtsville, NY 11742
Phone: 631-475-1761
Fax: 631-475-6840
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 9:00am - 5:00pm
Tuesday 9:00am - 5:00pm
Wednesday 9:00am - 5:00pm
Thursday 9:00am - 5:00pm
Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed
Monday 10:00am - 2:00pm
Tuesday 10:00am - 2:00pm
Wednesday 10:00am - 2:00pm
Thursday 10:00am - 2:00pm
Friday 10:00am - 2:00pm
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)
- Money Orders (International)
- 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:
Farmingville
500 Horseblock Rd
0.8 mile away
Holbrook
445 Furrows Rd
1.1 miles away
Medford
1905 Route 112
1.6 miles away
Selden
109 College Plz
2.0 miles away
Suffolk County
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