United States

St. Clair Postal Codes

Complete directory of postal codes in this county

Location Information

66 counties

Counties

St. Clair

Languages

  • English (United States)
  • Spanish (United States)

Coordinates

42.637320, -82.579490

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Country

United States

View all postal codes

Counties

Showing 66 results
Place Name
Postal Code
Algonac
48001
Allenton
48002
Appleton City
64724
Ashville
35953
Avoca
48006
Belleville
62220
Belleville
62221
Belleville
62223
Belleville
62226
Capac
48014
Casco
48064
Caseyville
62232
Collins
64738
Columbus
48063
Cook Springs
35052
Cropwell
35054
Dupo
62239
East Carondelet
62240
East China
48054
East Saint Louis
62203
East Saint Louis
62204
East Saint Louis
62205
East Saint Louis
62206
East Saint Louis
62207
East Saint Louis
62201
Emmett
48022
Fair Haven
48023
Fairview Heights
62208
Fort Gratiot
48059
Freeburg
62243
Goodells
48027
Harsens Island
48028
Jeddo
48032
Lebanon
62254
Lenzburg
62255
Lovejoy
62059
Lowry City
64763
Margaret
35112
Marine City
48039
Marissa
62257
Marysville
48040
Mascoutah
62258
Memphis
48041
Millstadt
62260
Moody
35004
New Athens
62264
North Street
48049
O'Fallon
62269
Odenville
35120
Osceola
64776
Pell City
35125
Pell City
35128
Port Huron
48060
Ragland
35131
Riverside
35135
Rockville
64780
Roscoe
64781
Saint Clair
48079
Saint Libory
62282
Scott Air Force Base
62225
Smiths Creek
48074
Smithton
62285
Springville
35146
Steele
35987
Summerfield
62289
Yale
48097

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How to Find a Postal Code

Each administrative division maintains its own postal code for mail delivery purposes. Here are some tips for finding the correct postal code:

  • Search for your specific address using our search tool above
  • Browse through the list of counties in the region
  • Use the interactive map to locate your area
  • Contact your local post office for verification

Postal Code Tips

Postal codes may change occasionally. Always verify with official sources before important mailings.

Quick Facts

  • Country Code: US
  • Capital: Washington
  • Currency: Dollar (USD)
  • Phone Code: +1
  • Timezone: America/Adak (GMT-10)
  • Driving Side: Right
  • Voltage/Frequency: 120V (60Hz)
  • Plug Types:
    A - Type A plug B - Type B plug

Neighboring Countries

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