TN 9 (10-12)

RS 01601.220 Railroad Retirement Board (RRB) Claim Numbers

A. Introduction of RRB claim numbers

Until April 1, 1964, the RRB and the Social Security Administration (SSA) used different identification systems. A RRB claim number had six digits and a prefix. Beginning in April 1964, the RRB began using social security numbers (SSNs).

B. Description of RRB claim numbers

A RRB claim number contains the prefix and suffix codes reflected below, based on the type of benefit. The “Prefix” codes appear only on RR records and documents, and not on SSAs records. The “Numeric Code Suffix” appear on the MBR, and not on any RR records or documents.

NOTE: Show the RRB claim number, if known, along with the SSNs involved on all material sent to the RRB.

1. Employee annuitant

Prefix

Type of Benefit

Numeric Code Suffix

A

Railroad Employee Annuitant

10

MA

Spouse of Employee-Annuitant

14

MA

Divorced Spouse of Employee-Annuitant

14

MA

Independently Entitled Divorced Spouse of Employee- Annuitant

14

2. Survivors of annuitant

Prefix

Type of Benefit

Numeric Code Suffix

JA

Surviving Joint Annuitant (RR employee elected reduced annuity)

11

WA

Widow(er)

16

WA

Remarried Widow(er)

16

WA

Surviving Divorced Spouse

16

WA

Surviving Divorced Mother or Father

16

WCA

Widow(er) with Child in Care or Child Alone

13

CA

Disabled Adult Child

17

PA

Parent

15

3. Survivors of employee

Prefix

Type of Benefit

Numeric Code Suffix

WD

Widow(er)

46

WD

Remarried Widow(er)

46

WD

Surviving Divorced Spouse

46

WD

Surviving Divorced Mother or Father

46

WCD

Widow(er) with Child in Care or Child Alone

43

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