Sponsored Listings:
Amagansett Post Office
501 Montauk Hwy
Amagansett, New York 11930
Amityville Post Office
77 Ireland Pl
Amityville, New York 11701
Aquebogue Post Office
212 Linda Ave
Aquebogue, New York 11931
Babylon Post Office
110 Cooper St
Babylon, New York 11702
Bay Shore Post Office
1314 5th Ave
Bay Shore, New York 11706
Bayport Post Office
850 Montauk Hwy
Bayport, New York 11705
Bellport Post Office
26 Station Rd
Bellport, New York 11713
Blue Point Post Office
141 Montauk Hwy
Blue Point, New York 11715
Bohemia Post Office
200 Orville Dr
Bohemia, New York 11716
Brentwood Post Office
25 2nd Ave
Brentwood, New York 11717
Bridgehampton Post Office
2322 Montauk Hwy
Bridgehampton, New York 11932
Brightwaters Post Office
145 Orinoco Dr
Brightwaters, New York 11718
Brookhaven Post Office
2512 Montauk Hwy
Brookhaven, New York 11719
Calverton Post Office
3690 Middle Country Rd
Calverton, New York 11933
Center Moriches Post Office
35 Railroad Ave
Center Moriches, New York 11934
Centereach Post Office
245 Centereach Mall
Centereach, New York 11720
Centerport Post Office
434 E Main St
Centerport, New York 11721
Central Islip Post Office
110 E Suffolk Ave
Central Islip, New York 11722
Cold Spring Harbor Post Office
126 Main St
Cold Spring Harbor, New York 11724
Commack Post Office
150 Veterans Memorial Hwy
Commack, New York 11725
Copiague Post Office
695 Marconi Blvd
Copiague, New York 11726
Coram Post Office
117 Pauls Path
Coram, New York 11727
Cutchogue Post Office
240 Griffing St
Cutchogue, New York 11935
Deer Park Post Office
375 Carlls Path
Deer Park, New York 11729
East Hampton Post Office
12 Gay Rd
East Hampton, New York 11937
East Islip Post Office
11 Greenwood Ave
East Islip, New York 11730
East Marion Post Office
9165 Main Rd
East Marion, New York 11939
East Moriches Post Office
3 Atlantic Ave
East Moriches, New York 11940
East Northport Post Office
297 Larkfield Rd
East Northport, New York 11731
East Quogue Post Office
6 Bay Ave
East Quogue, New York 11942
East Setauket Post Office
450 Route 25a
East Setauket, New York 11733
Eastport Post Office
24 Eastport Manor Rd
Eastport, New York 11941
Farmingville Post Office
500 Horseblock Rd
Farmingville, New York 11738
Fishers Island Post Office
1 Oriental Ave
Fishers Island, New York 06390
Great River Post Office
62 River Rd
Great River, New York 11739
Greenlawn Post Office
55 Broadway
Greenlawn, New York 11740
Greenport Post Office
131 Front St
Greenport, New York 11944
Halesite Post Office
16 New York Ave
Huntington, New York 11743
Hampton Bays Post Office
16 Ponquogue Ave
Hampton Bays, New York 11946
Hauppauge Post Office
960 Wheeler Rd
Hauppauge, New York 11788
Holbrook Post Office
445 Furrows Rd
Holbrook, New York 11741
Holtsville Post Office
162 Long Island Ave
Holtsville, New York 11742
Huntington Post Office
55 Gerard St
Huntington, New York 11743
Huntington Station Post Office
888 E Jericho Turnpike
Huntington Station, New York 11746
Islip Post Office
309 Main St Unit 3
Islip, New York 11751
Islip Terrace Post Office
136 Carleton Ave
Islip Terrace, New York 11752
Jamesport Post Office
1451 Route 25
Jamesport, New York 11947
Kings Park Post Office
125 E Main St
Kings Park, New York 11754
Lake Grove Post Office
1001 Hawkins Ave
Lake Grove, New York 11755
Laurel Post Office
2168 Main Rd
Laurel, New York 11948
Lindenhurst Post Office
65 E Hoffman Ave
Lindenhurst, New York 11757
Manorville Post Office
525 Eastport Manor Rd
Manorville, New York 11949
Mastic Post Office
1450 Montauk Hwy
Mastic, New York 11950
Mastic Beach Post Office
110 Mastic Rd
Mastic Beach, New York 11951
Mattituck Post Office
140 Love Ln
Mattituck, New York 11952
Medford Post Office
1905 Route 112
Medford, New York 11763
Melville Post Office
718 Walt Whitman Rd
Melville, New York 11747
Middle Island Post Office
780 Middle Country Rd
Middle Island, New York 11953
Miller Place Post Office
47 Echo Ave
Miller Place, New York 11764
Montauk Post Office
73 S Euclid Ave
Montauk, New York 11954
Moriches Post Office
290 Montauk Hwy
Moriches, New York 11955
Mount Sinai Post Office
457 Route 25a
Mount Sinai, New York 11766
Nesconset Post Office
226 Smithtown Blvd
Nesconset, New York 11767
New Suffolk Post Office
375 1st St
New Suffolk, New York 11956
North Babylon Post Office
1196 Deer Park Ave
North Babylon, New York 11703
Northport Post Office
240 Main St
Northport, New York 11768
Oakdale Post Office
927 Montauk Hwy
Oakdale, New York 11769
Ocean Beach Post Office
315 Cottage Walk
Ocean Beach, New York 11770
Orient Post Office
980 Village Ln
Orient, New York 11957
Patchogue Post Office
170 E Main St
Patchogue, New York 11772
Peconic Post Office
2575 Peconic Ln
Peconic, New York 11958
Port Jefferson Post Office
407 E Main St Ste 17
Port Jefferson, New York 11777
Port Jefferson Station Post Office
544 Jefferson Plz
Port Jefferson Station, New York 11776
Quogue Post Office
6 Midland St
Quogue, New York 11959
Remsenburg Post Office
137 S Country Rd
Remsenburg, New York 11960
Ridge Post Office
1700 Middle Country Rd
Ridge, New York 11961
Riverhead Post Office
1210 W Main St
Riverhead, New York 11901
Rocky Point Post Office
346 Route 25a Ste 84
Rocky Point, New York 11778
Ronkonkoma Post Office
200 Hawkins Ave
Ronkonkoma, New York 11779
Sag Harbor Post Office
21 Long Island Ave
Sag Harbor, New York 11963
Sagaponack Post Office
542 Sagg Main St
Sagaponack, New York 11962
Saint James Post Office
325 Lake Ave
Saint James, New York 11780
Sayville Post Office
130 Greene Ave
Sayville, New York 11782
Selden Post Office
109 College Plz
Selden, New York 11784
Shelter Island Post Office
45 N Ferry Rd
Shelter Island, New York 11964
Shelter Island Heights Post Office
6 Grand Ave
Shelter Island Heights, New York 11965
Shirley Post Office
800 Montauk Hwy Ste 1
Shirley, New York 11967
Shoreham Post Office
69 Route 25a
Shoreham, New York 11786
Smithtown Post Office
25 Route 111
Smithtown, New York 11787
Sound Beach Post Office
25 New York Ave
Sound Beach, New York 11789
South Jamesport Post Office
70 2nd St
South Jamesport, New York 11970
Southampton Post Office
123 N Sea Rd
Southampton, New York 11968
Southold Post Office
710 Traveler St
Southold, New York 11971
Speonk Post Office
323 Montauk Hwy
Speonk, New York 11972
Stony Brook Post Office
129 Main St
Stony Brook, New York 11790
Upton Post Office
2 Center St
Upton, New York 11973
Wading River Post Office
1816 Wading River Manor Rd
Wading River, New York 11792
Wainscott Post Office
357 Montauk Hwy
Wainscott, New York 11975
Water Mill Post Office
670 Montauk Hwy
Water Mill, New York 11976
West Babylon Post Office
385 Route 109
West Babylon, New York 11704
West Islip Post Office
480 Union Blvd
West Islip, New York 11795
West Sayville Post Office
12 Washington Ave
West Sayville, New York 11796
Westhampton Post Office
408 Mill Rd
Westhampton, New York 11977
Westhampton Beach Post Office
170 Main St
Westhampton Beach, New York 11978
Wyandanch Post Office
1569 Straight Path
Wyandanch, New York 11798
Yaphank Post Office
5 E Main St
Yaphank, New York 11980
Suffolk County
There are 106 US Post Offices in Suffolk County serving a total of 1,522,587 residents equating to 14,364 residents per post office. It's estimated that approximately 2,430,219 packages are handled across the 106 county post offices annually. Suffolk County /\u02c8s\u028cf\u0259k/ is a suburban county on Long Island and the easternmost county in the U.S. state of New York. As of the 2010 census, the county's population was 1,493,350, estimated to have increased to 1,501,587 in 2015, making it the fourth-most populous county in New York. Its county seat is Riverhead, though most county offices are located in Hauppauge. The county was named after the county of Suffolk in England, from where its earliest European settlers came. Suffolk County incorporates the easternmost extreme of the New York City metropolitan area. The largest of Long Island's four counties and the second-largest of 62 counties in New York State, Suffolk measures 86 miles (138 km) in length and 26 miles (42 km) in width at its widest (including water). Major scientific research facilities in Suffolk County include Brookhaven National Laboratory in Upton and Plum Island Animal Disease Center on Plum Island.