| Amagansett Post Office |
501 Montauk Hwy, Amagansett, NY 11930 |
| Amityville Post Office |
77 Ireland Pl, Amityville, NY 11701 |
| Aquebogue Post Office |
212 Linda Ave, Aquebogue, NY 11931 |
| Babylon Post Office |
110 Cooper St, Babylon, NY 11702 |
| Bay Shore Post Office |
1314 5th Ave, Bay Shore, NY 11706 |
| Bayport Post Office |
850 Montauk Hwy, Bayport, NY 11705 |
| Bellport Post Office |
26 Station Rd, Bellport, NY 11713 |
| Blue Point Post Office |
141 Montauk Hwy, Blue Point, NY 11715 |
| Bohemia Post Office |
200 Orville Dr, Bohemia, NY 11716 |
| Brentwood Post Office |
25 2nd Ave, Brentwood, NY 11717 |
| Bridgehampton Post Office |
2322 Montauk Hwy, Bridgehampton, NY 11932 |
| Brightwaters Post Office |
145 Orinoco Dr, Brightwaters, NY 11718 |
| Brookhaven Post Office |
2512 Montauk Hwy, Brookhaven, NY 11719 |
| Calverton Post Office |
3690 Middle Country Rd, Calverton, NY 11933 |
| Center Moriches Post Office |
35 Railroad Ave, Center Moriches, NY 11934 |
| Centereach Post Office |
245 Centereach Mall, Centereach, NY 11720 |
| Centerport Post Office |
434 E Main St, Centerport, NY 11721 |
| Central Islip Post Office |
110 E Suffolk Ave, Central Islip, NY 11722 |
| Cold Spring Harbor Post Office |
126 Main St, Cold Spring Harbor, NY 11724 |
| Commack Post Office |
150 Veterans Memorial Hwy, Commack, NY 11725 |
| Copiague Post Office |
695 Marconi Blvd, Copiague, NY 11726 |
| Coram Post Office |
117 Pauls Path, Coram, NY 11727 |
| Cutchogue Post Office |
240 Griffing St, Cutchogue, NY 11935 |
| Deer Park Post Office |
375 Carlls Path, Deer Park, NY 11729 |
| East Hampton Post Office |
12 Gay Rd, East Hampton, NY 11937 |
| East Islip Post Office |
11 Greenwood Ave, East Islip, NY 11730 |
| East Marion Post Office |
9165 Main Rd, East Marion, NY 11939 |
| East Moriches Post Office |
3 Atlantic Ave, East Moriches, NY 11940 |
| East Northport Post Office |
297 Larkfield Rd, East Northport, NY 11731 |
| East Quogue Post Office |
6 Bay Ave, East Quogue, NY 11942 |
| East Setauket Post Office |
450 Route 25a, East Setauket, NY 11733 |
| Eastport Post Office |
24 Eastport Manor Rd, Eastport, NY 11941 |
| Farmingville Post Office |
500 Horseblock Rd, Farmingville, NY 11738 |
| Great River Post Office |
62 River Rd, Great River, NY 11739 |
| Greenlawn Post Office |
55 Broadway, Greenlawn, NY 11740 |
| Greenport Post Office |
131 Front St, Greenport, NY 11944 |
| Hampton Bays Post Office |
16 Ponquogue Ave, Hampton Bays, NY 11946 |
| Holbrook Post Office |
445 Furrows Rd, Holbrook, NY 11741 |
| Holtsville Post Office |
162 Long Island Ave, Holtsville, NY 11742 |
| Huntington Post Office |
55 Gerard St, Huntington, NY 11743 |
| Huntington Station Post Office |
888 E Jericho Tpke, Huntington Station, NY 11746 |
| Islip Post Office |
309 Main St Unit 3, Islip, NY 11751 |
| Islip Terrace Post Office |
136 Carleton Ave, Islip Terrace, NY 11752 |
| Jamesport Post Office |
1451 Route 25, Jamesport, NY 11947 |
| Kings Park Post Office |
125 E Main St, Kings Park, NY 11754 |
| Lake Grove Post Office |
1001 Hawkins Ave, Lake Grove, NY 11755 |
| Laurel Post Office |
2168 Main Rd, Laurel, NY 11948 |
| Lindenhurst Post Office |
65 E Hoffman Ave, Lindenhurst, NY 11757 |
| Manorville Post Office |
525 Eastport Manor Rd, Manorville, NY 11949 |
| Mastic Beach Post Office |
110 Mastic Rd, Mastic Beach, NY 11951 |
| Mastic Post Office |
1450 Montauk Hwy, Mastic, NY 11950 |
| Mattituck Post Office |
140 Love Ln, Mattituck, NY 11952 |
| Medford Post Office |
1905 Route 112, Medford, NY 11763 |
| Middle Island Post Office |
780 Middle Country Rd, Middle Island, NY 11953 |
| Miller Place Post Office |
47 Echo Ave, Miller Place, NY 11764 |
| Montauk Post Office |
73 S Euclid Ave, Montauk, NY 11954 |
| Moriches Post Office |
290 Montauk Hwy, Moriches, NY 11955 |
| Mount Sinai Post Office |
457 Route 25a, Mount Sinai, NY 11766 |
| Nesconset Post Office |
226 Smithtown Blvd, Nesconset, NY 11767 |
| New Suffolk Post Office |
375 1st St, New Suffolk, NY 11956 |
| Northport Post Office |
240 Main St, Northport, NY 11768 |
| Oakdale Post Office |
927 Montauk Hwy, Oakdale, NY 11769 |
| Ocean Beach Post Office |
315 Cottage Walk, Ocean Beach, NY 11770 |
| Orient Post Office |
980 Village Ln, Orient, NY 11957 |
| Patchogue Post Office |
170 E Main St, Patchogue, NY 11772 |
| Peconic Post Office |
2575 Peconic Ln, Peconic, NY 11958 |
| Penataquit Post Office |
10 Bay Shore Ave, Bay Shore, NY 11706 |
| Port Jefferson Station Post Office |
544 Jefferson Plz, Port Jefferson Station, NY 11776 |
| Quogue Post Office |
6 Midland St, Quogue, NY 11959 |
| Remsenburg Post Office |
137 S Country Rd, Remsenburg, NY 11960 |
| Ridge Post Office |
1700 Middle Country Rd, Ridge, NY 11961 |
| Riverhead Post Office |
1210 W Main St, Riverhead, NY 11901 |
| Rocky Point Post Office |
346 Route 25a Ste 84, Rocky Point, NY 11778 |
| Ronkonkoma Post Office |
200 Hawkins Ave, Ronkonkoma, NY 11779 |
| Sag Harbor Post Office |
21 Long Island Ave, Sag Harbor, NY 11963 |
| Sagaponack Post Office |
542 Sagg Main St, Sagaponack, NY 11962 |
| Saint James Post Office |
325 Lake Ave, Saint James, NY 11780 |
| Santapogue Post Office |
617 W Montauk Hwy, West Babylon, NY 11704 |
| Sayville Post Office |
130 Greene Ave, Sayville, NY 11782 |
| Selden Post Office |
109 College Plz, Selden, NY 11784 |
| Shelter Island Heights Post Office |
6 Grand Ave, Shelter Island Heights, NY 11965 |
| Shelter Island Post Office |
45 N Ferry Rd, Shelter Island, NY 11964 |
| Shirley Post Office |
800 Montauk Hwy Ste 1, Shirley, NY 11967 |
| Shoreham Post Office |
69 Route 25a, Shoreham, NY 11786 |
| Smithtown Post Office |
25 Route 111, Smithtown, NY 11787 |
| Sound Beach Post Office |
25 New York Ave, Sound Beach, NY 11789 |
| South Jamesport Post Office |
70 2nd St, South Jamesport, NY 11970 |
| Southampton Post Office |
123 N Sea Rd, Southampton, NY 11968 |
| Southold Post Office |
710 Traveler St, Southold, NY 11971 |
| Speonk Post Office |
323 Montauk Hwy, Speonk, NY 11972 |
| Stony Brook Post Office |
129 Main St, Stony Brook, NY 11790 |
| Upton Post Office |
2 Center St, Upton, NY 11973 |
| Wading River Post Office |
1816 Wading River Manor Rd, Wading River, NY 11792 |
| Wainscott Post Office |
357 Montauk Hwy, Wainscott, NY 11975 |
| Water MIll Post Office |
670 Montauk Hwy, Water Mill, NY 11976 |
| West Islip Post Office |
480 Union Blvd, West Islip, NY 11795 |
| West Sayville Post Office |
12 Washington Ave, West Sayville, NY 11796 |
| Westhampton Beach Post Office |
170 Main St, Westhampton Beach, NY 11978 |
| Westhampton Post Office |
408 MIll Rd, Westhampton, NY 11977 |
| Wyandanch Post Office |
1569 Straight Path, Wyandanch, NY 11798 |
| Yaphank Post Office |
5 E Main St, Yaphank, NY 11980 |
| Federal Court House Post Office |
101 Federal Plz, Central Islip, NY 11722 |
| West Babylon Post Office |
385 Route 109, West Babylon, NY 11704 |
| Cherry Grove Post Office |
1000 Bay Walk, Sayville, NY 11782 |
| Davis Park Post Office |
1 Main Walk, Patchogue, NY 11772 |
| Fire Island Pines Post Office |
1 Fire Island Blvd, Sayville, NY 11782 |
| Halesite Post Office |
16 New York Ave, Huntington, NY 11743 |
| Hauppauge Post Office |
960 Wheeler Rd, Hauppauge, NY 11788 |
| Hauppauge Industrial Park Post Office |
150 Oser Ave, Hauppauge, NY 11788 |
| Lake Ronkonkoma Post Office |
300 Portion Rd, Ronkonkoma, NY 11779 |
| Melville Post Office |
718 Walt Whitman Rd, Melville, NY 11747 |
| North Babylon Post Office |
1196 Deer Park Ave, North Babylon, NY 11703 |
| Port Jefferson Post Office |
407 E Main St Ste 17, Port Jefferson, NY 11777 |
| Saltaire Post Office |
1 Pomander Walk, Bay Shore, NY 11706 |
| Setauket Post Office |
101 Main St, East Setauket, NY 11733 |
| Wheatley Heights Post Office |
6 Colonial Springs Rd, Wyandanch, NY 11798 |
| Fishers Island Post Office |
1 Oriental Ave, Fishers Island, NY 06390 |
