Lake Ronkonkoma Post Office
300 Portion Rd, Ronkonkoma, NY 11779
Phone: 631-588-1292
Fax: 631-471-1290
TTY: 877-889-2457
Toll-Free: 1-800-Ask-USPS® (275-8777)
PO Box Access Available
Monday 7:00am - 5:00pm
Tuesday 7:00am - 5:00pm
Wednesday 7:00am - 5:00pm
Thursday 7:00am - 5:00pm
Friday 7:00am - 5:00pm
Saturday 7:00am - 12:30pm
Sunday Closed
Monday 5:00pm
Tuesday 5:00pm
Wednesday 5:00pm
Thursday 5:00pm
Friday 5:00pm
Saturday 1:00pm
Sunday Closed
*This facility does not process US Passports applications or renewals. Check nearby locations below.
- Burial Flags
- Duck Stamps
- Money Orders (Domestic)
- Money Orders (Inquiry)
- Money Orders (International)
- 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:
Ronkonkoma
200 Hawkins Ave
0.6 mile away
Lake Grove
1001 Hawkins Ave
1.2 miles away
Holbrook
445 Furrows Rd
1.4 miles away
Centereach
245 Centereach Mall
1.5 miles away
Suffolk County