社会安全号码

应用ing for a 社会安全号码 (SSN)

The only way to receive a 社会安全号码 within Washington State is for the purpose of your employment. This means that you will first need to find paid employment before you can receive this number. Please note that a 社会安全号码 is mandatory in order for you to get paid. Below are the steps on how to get your 社会安全号码.

如何申请

F-1 学生 with 校园就业

To apply for a SSN as an F-1 student for an on-campus job, you will need to provide documents that show your identity, 年龄, 公民身份, and status as a lawful alien. You will need to bring the following items with you to a Social Security Office:

  • 护照
  • Current I-20 with signature on p年龄 two
  • Printout of I-94 (available through the i - 94的网站)
  • Letter from the ISC describing why you need a SSN (instructions on how to request this letter listed below)
  • Letter from your supervisor (employer) on department letterhead stating your job title and signed by your supervisor
  • Complete an application form (形式SS-5) that you must fill out at the SSA office or download from the internet. This form is not available at the ISC.


Once your application is filed with the SS office, they will give you a receipt. They will perform a background check, and your Social Security card will be mailed to the address you provide within four to six weeks. Normal processing takes about four weeks.

Requesting an SSN Letter from the ISC

  • Provide a digital copy of a letter (on official letterhead) from your employer that states:
    • 你的职位名称
    • Your supervisor name and role
    • The number of hours you will be working
    • 你的入职日期
  • Update your contact info on My西雅图U
    • We will be checking this information before issuing a letter

After gathering all documents, 电子 submit the 信请求 via ISC email or directly to your immigration advisor via email. Your advisor will email the letter to you.

F-1 学生 Authorized for Curricular Practical Training (CPT)

To apply for a SSN as an F-1 student for an authorized paid CPT position, you will need to provide documents that show your identity, 年龄, 公民身份, and status as a lawful alien. You can apply as early as 30 days before your scheduled start date, but no earlier. You will need to bring the following items with you: 

  • 护照
  • Current I-20 (updated and endorsed for practical training)
  • Printout of I-94 (available through the i - 94的网站)
  • Letter from your supervisor (employer) on department letterhead stating your job title and signed by your supervisor
  • Complete an application form (形式SS-5) that you must fill out at the SSA office or download from the internet. This form is not available at the ISC.

F-1 学生 Authorized for 可选实践培训 (选择)

To apply for a SSN as an F-1 student for an authorized 选择 position, you will need to provide documents that show your identity, 年龄, 公民身份, and status as a lawful alien. You can apply on or after the start date on your EAD card, but no earlier than your EAD card start date. You will need to bring the following items with you: 

  • 护照
  • Current I-20 (updated and endorsed for practical training)
  • Printout of I-94 (available through the i - 94的网站)
  • Letter from your supervisor (employer) on department letterhead stating your job title and signed by your supervisor
  • Complete an application form (形式SS-5) that you must fill out at the SSA office or download from the internet. This form is not available at the ISC.

What if my card is lost or stolen?

You can replace your card for free if it is lost or stolen. However, you are limited to three replacement cards in a year and 10 during your lifetime. 

To request a replacement card:

  • Complete the application form (形式SS-5)
  • Present recently issued photo identification to show your identity (passport, Washington state identification card)
  • Show evidence of your current lawful nonimmigrant status (visa, I-20/ DS-2019, I-94)
  • Complete a new ISC letter request form (if you are employed on campus) to request a letter from the ISC 

Your replacement card will have the same name and number as your previous card.

How to reach the Social Security Administration (SSA)

A toll-free number operates from 7:00 am to 7:00 pm, Monday through Friday at 1-800-772-1213. Recorded information is available 24 hours a day, including weekends and holidays. You can also visit their website at www.ssa.浏览更多资讯.
You must apply for your 社会安全号码 (SSN) in person. There are several local offices throughout the 西雅图 area, which are open Monday through Friday from 9:00 am to 4:00 pm (except Federal Holidays).

Below are some of the offices close to BG大游:

西雅图市中心 杰克逊联邦大厦
915 2nd Ave, Suite 901 (9th floor)
电话:(800)772-1213
公交路线:12路
北西雅图

奥罗拉大街北13510号B室
(奥罗拉一角) & 东北135街

贝尔维尤 505 106th Ave NE, Suite 301 Park Plaza
(东北四街与西街之间 & 东北第六街
Burien 西南156街151号
电话:(800)772-1213