Help with cover letter

[HypoLoveTriangle 2]

After searching for Cover Letter examples, I found a couple in another post. They are very helpful samples. However, I'm confused about what two numbers under then name mean, as follows:

----

Jane Smith

##

##

UNITED STATES OF AMERICA

USCIS

Attn: FBAS

131 South Dearborn - 3rd Floor

Chicago, IL 60603-5517

[DATE]

Nature of the submission: I-485 - Immediate Relative (Spouse) Family Based Adjustment of

Status Application

----

Are the two lines of "##" an address? or something else?

[Ilarrotta 2]

Usually after your name, your address should be written and the address below is the one for the office you are sending it to. It should look like this.

Jane Smith

111 Main st.

City, State XXXXX

UNITED STATES OF AMERICA

USCIS

Attn: FBAS

131 South Dearborn - 3rd Floor

Chicago, IL 60603-5517

[DATE]

Nature of the submission: I-485 - Immediate Relative (Spouse) Family Based Adjustment of

Status Application

-----------------

After searching for Cover Letter examples, I found a couple in another post. They are very helpful samples. However, I'm confused about what two numbers under then name mean, as follows:

----

Jane Smith

##

##

UNITED STATES OF AMERICA

USCIS

Attn: FBAS

131 South Dearborn - 3rd Floor

Chicago, IL 60603-5517

[DATE]

Nature of the submission: I-485 - Immediate Relative (Spouse) Family Based Adjustment of

Status Application

----

Are the two lines of "##" an address? or something else?

[HypoLoveTriangle 2]

Usually after your name, your address should be written and the address below is the one for the office you are sending it to. It should look like this.

Jane Smith

111 Main st.

City, State XXXXX

UNITED STATES OF AMERICA

USCIS

Attn: FBAS

131 South Dearborn - 3rd Floor

Chicago, IL 60603-5517

[DATE]

Nature of the submission: I-485 - Immediate Relative (Spouse) Family Based Adjustment of

Status Application

-----------------

aaah. ok. Do we need to list ARN or SSN or anything like that?