Buy Postage Stamps in St. Clair County, IL

Post Offices and USPS-authorized retailers where postage stamps are sold in St. Clair County, IL.

All the locations below sell USPS postage stamps which can be used to mail First Class letters in the United States. We list both official post offices run by the United States Postal Service and retailers which have been authorized by USPS to sell postal products in St. Clair County.

Need to mail a letter? See Mailboxes and Post Offices in St. Clair County

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East Carondelet Post Office

824 State St

East Carondelet, IL 62240

618-286-4446

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East Carondelet Post Office is a full post office where stamps can be purchased.

Lovejoy Post Office

413 S 3 Rd St

Lovejoy, IL 62059

618-874-7993

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Lovejoy Post Office is a full post office where stamps can be purchased.

East Saint Louis Post Office

950 Missouri Ave

East Saint Louis, IL 62201

618-875-0200

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East Saint Louis Post Office is a full post office where stamps can be purchased.

National Stock Yards Post Office

3900 Collinsville Rd

East Saint Louis, IL 62201

618-874-0458

Get Directions to National Stock Yards Post Office

National Stock Yards Post Office is a full post office where stamps can be purchased.

Cahokia Post Office

801 Range Ln

East Saint Louis, IL 62206

618-332-3571

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Cahokia Post Office is a full post office where stamps can be purchased.

Madison Post Office

549 Madison Ave

Madison, IL 62060

618-876-6332

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Madison Post Office is a full post office where stamps can be purchased.

Dupo Post Office

116 Emma Ave

Dupo, IL 62239

618-286-3917

Get Directions to Dupo Post Office

Dupo Post Office is a full post office where stamps can be purchased.

Alorton Post Office

4825 Bond Ave

East Saint Louis, IL 62207

618-874-3736

Get Directions to Alorton Post Office

Alorton Post Office is a full post office where stamps can be purchased.

Edgemont Post Office

8701 State St

East Saint Louis, IL 62203

618-398-3594

Get Directions to Edgemont Post Office

Edgemont Post Office is a full post office where stamps can be purchased.

Columbia Post Office

800 Columbia Ctr

Columbia, IL 62236

618-281-5300

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Columbia Post Office is a full post office where stamps can be purchased.

Caseyville Post Office

113 S Long St

Caseyville, IL 62232

618-344-4594

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Caseyville Post Office is a full post office where stamps can be purchased.

Collinsville Post Office

1610 Eastport Plaza Dr

Collinsville, IL 62234

618-344-3787

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Collinsville Post Office is a full post office where stamps can be purchased.

Dutch Hollow Post Office

5731 Mount Pleasant Ln

Belleville, IL 62223

618-397-6616

Get Directions to Dutch Hollow Post Office

Dutch Hollow Post Office is a full post office where stamps can be purchased.

Millstadt Post Office

20 W White St

Millstadt, IL 62260

618-476-1717

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Millstadt Post Office is a full post office where stamps can be purchased.

Fairview Heights Post Office

10850 Lincoln Trl Unit 20

Fairview Heights, IL 62208

618-397-5044

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Fairview Heights Post Office is a full post office where stamps can be purchased.

Belleville Post Office

120 W Washington St

Belleville, IL 62220

618-233-0390

Get Directions to Belleville Post Office

Belleville Post Office is a full post office where stamps can be purchased.

O Fallon Post Office

1111 S Lincoln Ave

O Fallon, IL 62269

618-632-4691

Get Directions to O Fallon Post Office

O Fallon Post Office is a full post office where stamps can be purchased.

Waterloo Post Office

305 E 3 Rd St

Waterloo, IL 62298

618-939-7317

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Waterloo Post Office is a full post office where stamps can be purchased.

Smithton Post Office

512 S Main St

Smithton, IL 62285

618-234-8680

Get Directions to Smithton Post Office

Smithton Post Office is a full post office where stamps can be purchased.

Troy Post Office

515 Edwardsville Rd

Troy, IL 62294

618-667-6421

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Troy Post Office is a full post office where stamps can be purchased.

Scott Air Force Base Post Office

404 W Martin St

Scott Air Force Base, IL 62225

618-256-5942

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Scott Air Force Base Post Office is a full post office where stamps can be purchased.

Freeburg Post Office

3 S Belleville St

Freeburg, IL 62243

618-539-3191

Get Directions to Freeburg Post Office

Freeburg Post Office is a full post office where stamps can be purchased.

Trenton Post Office

120 E Broadway

Trenton, IL 62293

618-224-9412

Get Directions to Trenton Post Office

Trenton Post Office is a full post office where stamps can be purchased.

New Baden Post Office

203 E Hanover St

New Baden, IL 62265

618-588-4733

Get Directions to New Baden Post Office

New Baden Post Office is a full post office where stamps can be purchased.

Summerfield Post Office

101 E Park St

Summerfield, IL 62289

618-934-3461

Get Directions to Summerfield Post Office

Summerfield Post Office is a full post office where stamps can be purchased.

Lebanon Post Office

201 E Saint Louis St

Lebanon, IL 62254

618-537-4439

Get Directions to Lebanon Post Office

Lebanon Post Office is a full post office where stamps can be purchased.

Mascoutah Post Office

18 W Main St

Mascoutah, IL 62258

618-566-2618

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Mascoutah Post Office is a full post office where stamps can be purchased.

Saint Libory Post Office

7340 State Route 15

Saint Libory, IL 62282

618-768-4972

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Saint Libory Post Office is a full post office where stamps can be purchased.

New Athens Post Office

200 S Benton St

New Athens, IL 62264

618-475-3233

Get Directions to New Athens Post Office

New Athens Post Office is a full post office where stamps can be purchased.

Lenzburg Post Office

312 N Charles St

Lenzburg, IL 62255

618-475-3309

Get Directions to Lenzburg Post Office

Lenzburg Post Office is a full post office where stamps can be purchased.

Marissa Post Office

114 N Main St

Marissa, IL 62257

618-295-3051

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Marissa Post Office is a full post office where stamps can be purchased.

Casey's General Store

943 N Main St

Marissa, IL 62257

Get Directions to Casey's General Store

Casey's General Store is a USPS-authorized retailer where postage stamps are sold.

Casey's General Store

1291 Old Baldwin Rd

New Athens, IL 62264

Get Directions to Casey's General Store

Casey's General Store is a USPS-authorized retailer where postage stamps are sold.

Casey's General Store

11 One Stop

New Baden, IL 62265

Get Directions to Casey's General Store

Casey's General Store is a USPS-authorized retailer where postage stamps are sold.

Casey's General Store

705 N Jefferson St

Mascoutah, IL 62258

Get Directions to Casey's General Store

Casey's General Store is a USPS-authorized retailer where postage stamps are sold.

Walgreens

1201 Camp Jackson Rd

Cahokia, IL 62206

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Walgreens is a USPS-authorized retailer where postage stamps are sold.

Wal Mart Supercenter

1511 Camp Jackson Rd

Cahokia, IL 62206

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Wal Mart Supercenter is a USPS-authorized retailer where postage stamps are sold.

Walgreens

2510 State St

East Saint Louis, IL 62205

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Walgreens is a USPS-authorized retailer where postage stamps are sold.

Washington Park Village Post Office

1808 Kingshighway

East Saint Louis, IL 62204

618-482-0256

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