USPS Town of Islip, NY

About USPS

United States Postal Service (USPS) is an independent agency of the United States federal government, responsible for providing postal services within the country. It is the only organization in the US that is authorized to deliver mail to every address, including PO boxes and military addresses. With a network of more than 31,000 retail locations and delivery points, USPS serves millions of customers every day. The company offers a range of services, including first-class and priority mail, international shipping, flat-rate boxes, and more. Known for its reliable and efficient service, USPS is a trusted partner for individuals and businesses across the country.

1. USPS Post Office Islip

194 ft
309 Main St, Unit 3 (631) 581-7931
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

2. USPS Post Office East Islip

1.3 mi
11 Greenwood Ave, East Islip NY 11730 (631) 581-7807
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

3. USPS Post Office Islip Terrace

1.4 mi
136 Carleton Ave, Islip Terrace NY 11752 (631) 581-7894
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

4. USPS Post Office Penataquit

1.9 mi
10 Bay Shore Ave, Bay Shore NY 11706 (631) 969-3506
Monday-Friday: 9:00 AM-4:30 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

5. USPS Post Office Federal Court House

2.3 mi
101 Federal Plz, Central Islip NY 11722 (631) 787-6000
Monday-Friday: 9:30 AM-2:30 PM, Saturday-Sunday: Closed

6. USPS Post Office Bay Shore

2.8 mi
1314 5th Ave, Bay Shore NY 11706 (631) 969-3504
Monday-Friday: 9:00 AM-5:30 PM, Saturday: 9:00 AM-3:30 PM, Sunday: Closed

7. USPS Post Office Brightwaters

2.9 mi
145 Orinoco Dr, Brightwaters NY 11718 (631) 206-4855
Monday-Friday: 8:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

8. USPS Post Office Great River

3.0 mi
62 River Rd, Great River NY 11739 (631) 581-7680
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

9. USPS Post Office Brentwood

3.9 mi
25 2nd Ave, Brentwood NY 11717 (631) 273-0947
Monday-Friday: 8:30 AM-5:00 PM, Saturday: 9:00 AM-2:00 PM, Sunday: Closed

10. USPS Post Office Central Islip

4.5 mi
110 E Suffolk Ave, Central Islip NY 11722 (631) 234-0547
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

11. USPS Post Office West Islip

4.8 mi
480 Union Blvd, West Islip NY 11795 (631) 669-5157
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-3:30 PM, Sunday: Closed

12. USPS Post Office Oakdale

4.8 mi
927 Montauk Hwy, Oakdale NY 11769 (631) 589-2683
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

13. USPS Post Office West Sayville

5.7 mi
12 Washington Ave, West Sayville NY 11796 (631) 589-6958
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

14. USPS Self-Service Kiosk North Babylon

5.9 mi
1196 Deer Park Ave, North Babylon NY 11703 (631) 667-4693
Monday-Sunday: Open 24 hours

15. USPS Post Office Babylon

6.1 mi
110 Cooper St, Babylon NY 11702 (631) 669-4474
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-2:30 PM, Sunday: Closed

16. USPS Self-Service Kiosk Deer Park

6.1 mi
375 Carlls Path, Deer Park NY 11729 (631) 667-9744
Monday-Sunday: Open 24 hours

17. USPS Post Office Ocean Beach

6.3 mi
315 Cottage Walk, Ocean Beach NY 11770 (631) 583-7368
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-2:00 PM, Sunday: Closed

18. USPS Post Office Saltaire

6.3 mi
1 Pomander Walk, Saltaire NY 11706 (631) 665-2535
Monday-Saturday: 10:30 AM-2:30 PM, Sunday: Closed

19. USPS Post Office Bohemia

6.4 mi
200 Orville Dr, Bohemia NY 11716 (631) 589-2487
Monday-Friday: 9:00 AM-6:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

20. USPS Post Office Hauppauge Industrial Park

6.4 mi
150 Oser Ave, Hauppauge NY 11788 (631) 231-3155
Monday-Friday: 9:00 AM-5:00 PM, Saturday-Sunday: Closed

21. USPS Post Office Sayville

6.6 mi
130 Greene Ave, Sayville NY 11782 (631) 589-6963
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-2:00 PM, Sunday: Closed

22. USPS Post Office Hauppauge

6.6 mi
960 Wheeler Rd, Hauppauge NY 11788 (631) 360-7229
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-12:00 PM, Sunday: Closed

23. USPS Post Office Santapogue

7.7 mi
617 W Montauk Hwy, West Babylon NY 11704 (631) 422-2276
Monday-Saturday: 9:00 AM-1:00 PM, Sunday: Closed

24. USPS Post Office Nesconset

7.9 mi
226 Smithtown Blvd, Nesconset NY 11767 (631) 265-3278
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

25. USPS Self-Service Kiosk Ronkonkoma

8.0 mi
200 Hawkins Ave, Ronkonkoma NY 11779 (631) 588-0301
Monday-Sunday: Open 24 hours

26. USPS Post Office Cherry Grove

8.0 mi
1000 Bay Walk, Cherry Grove NY 11782 (631) 589-1177
Monday: Closed, Tuesday: 10:45 AM-12:45 PM, Wednesday: Closed, Thursday: 10:45 AM-12:45 PM, Friday: Closed, Saturday: 10:00 AM-1:45 PM, Sunday: Closed

27. USPS Post Office West Babylon

8.1 mi
385 Route 109, West Babylon NY 11704 (631) 893-0560
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

28. USPS Self-Service Kiosk Commack

8.3 mi
150 Veterans Memorial Hwy, Commack NY 11725 (631) 543-3647
Monday-Sunday: Open 24 hours

29. USPS Self-Service Kiosk Smithtown

8.7 mi
25 Route 111, Smithtown NY 11787 (631) 360-6709
Monday-Sunday: Open 24 hours

30. USPS Post Office Lake Ronkonkoma

8.9 mi
300 Portion Rd, Ronkonkoma NY 11779 (631) 588-1292
Monday-Friday: 9:00 AM-1:30 PM, Saturday: 9:00 AM-12:00 PM, Sunday: Closed

31. USPS Post Office Patchogue

10.7 mi
170 E Main St, Patchogue NY 11772 (631) 475-0588
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 9:00 AM-1:00 PM, Sunday: Closed

32. USPS Post Office Centereach

11.2 mi
245 Centereach Mall, Centereach NY 11720 (631) 588-7069
Monday-Friday: 9:00 AM-5:30 PM, Saturday: 9:00 AM-2:30 PM, Sunday: Closed

33. USPS Self-Service Kiosk East Northport

11.6 mi
297 Larkfield Rd, East Northport NY 11731 (631) 368-5632
Monday-Sunday: Open 24 hours
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