Wisconsin · Checked Against SSA's Locator October 1, 2026

Social Security Offices Near Platteville, WI

Where Is the Social Security Office Nearest Platteville, WI?

SSA assigns Platteville, WI's ZIP code, 53818, to the Lancaster Social Security Office at 175 W Alona Ln, Lancaster, about 14 miles away, phone (877) 405-7841, open Monday to Friday, 9:00 AM to 4:00 PM.

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Closest Social Security Offices to Platteville, WI

Straight-line distance from the center of Platteville (U.S. Census Gazetteer) to each office's address (U.S. Census Bureau geocoder). Office hours and phone numbers from SSA's office data, checked against SSA's Office Locator on October 1, 2026; confirm with SSA's Office Locator before you go.

Map of Social Security Offices Near Platteville

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Social Security office

Which Social Security Office Serves Your ZIP Code in Platteville?

SSA assigns Platteville's ZIP code, 53818, to the Lancaster Social Security Office in Lancaster. SSA assigns offices by ZIP code, so the office to use is the one listed for your ZIP.

Social Security office assigned to each ZIP code in Platteville
ZIP codeOffice SSA assignsDistance
53818Lancaster Social Security Office for ZIP code 5381813 miles

ZIP code 53818 goes to the Lancaster Social Security Office, 175 W Alona Ln, Lancaster.

Assigned offices from SSA's Office Locator, looked up by ZIP code on October 1, 2026. ZIP codes are those whose area overlaps Platteville (U.S. Census Bureau, 2020 ZIP Code Tabulation Areas). Distance is straight-line, from the center of the ZIP code to the office.

Social Security Offices Near Areas Around Platteville

Where people in nearby communities go, and how far it is. Each area's office is the one SSA assigns to its ZIP codes.

Social Security Office Near Lancaster

Lancaster is about 15 miles northwest of central Platteville. SSA assigns its ZIP code, 53813, to the Lancaster Social Security Office at 175 W Alona Ln, Lancaster, open Monday to Friday, 9:00 AM to 4:00 PM.

More on Social Security offices near Lancaster

How to Get an Appointment at the Lancaster Social Security Office

SSA asks you to make an appointment before you visit an office. You can schedule one online on SSA's appointment page by answering a few questions; the appointment may be by phone or in person, and you can change or cancel it from the confirmation email or text.

To book by phone, call the Lancaster Social Security Office at (877) 405-7841, or SSA's national number, 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. Help is available in English, Spanish and other languages.

See office hours and appointments for the best times to call and visit.

Can You Skip the Trip?

You can often replace a card, update your address or get a benefit letter online with a my Social Security account. If you need to go in, check what to bring.

Social Security Offices Near Other Wisconsin Cities

Frequently Asked Questions

Where Is the Social Security Office in Platteville?

There isn't an office in Platteville, WI itself. The closest is the Lancaster Social Security Office, 175 W Alona Ln, Lancaster, WI 53813, about 14 miles away.

Which Social Security Office Serves My ZIP Code in Platteville?

SSA assigns Platteville's ZIP code, 53818, to the Lancaster Social Security Office in Lancaster. SSA assigns offices by ZIP code, and the assigned office isn't always the closest one. Look up your ZIP code in the table on this page or in SSA's Office Locator.

What Are Social Security Office Hours Near Platteville?

The Lancaster Social Security Office is open Monday to Friday, 9:00 AM to 4:00 PM, according to SSA's office data (checked against SSA's Office Locator on October 1, 2026). Offices close on weekends and federal holidays.

What Is the Phone Number for the Social Security Office Near Platteville?

SSA lists (877) 405-7841 for the Lancaster Social Security Office. SSA's national number is 1-800-772-1213.

How Do I Make an Appointment at the Social Security Office Near Platteville?

Schedule online on SSA's appointment page, where the appointment may be by phone or in person, or call the Lancaster Social Security Office at (877) 405-7841 or SSA at 1-800-772-1213 (TTY 1-800-325-0778), Monday through Friday, 8 a.m. to 7 p.m. local time. SSA asks you to make an appointment before visiting an office.

Every Social Security office in Wisconsin

Sources

  1. Social Security Administration, field office and resident station data (updated March 9, 2026)
  2. SSA Office Locator (offices and ZIP code assignments, checked October 1, 2026)
  3. U.S. Census Bureau: geocoder, 2023 Gazetteer files and 2020 ZIP Code Tabulation Area relationship files
  4. SSA: Make an appointment
  5. SSA: Contact by phone
  6. SSA: Office locator guidance (appointments and Card Centers)

Independent site, not affiliated with the Social Security Administration. Office addresses, phone numbers and hours come from SSA's public office data. To apply for benefits or manage your record, go to SSA directly at ssa.gov.