Is US Postal Service retirement considered a government retirement benefits?

[MichaelL1]

Yes, this is considered a government retirement.  It is a civil service pension and CSA-1099R should be received for the retirement.

To enter pension and annuity Payments (1099-R)

• Click on Federal Taxes (Personal using Home and Business)
• Click on Wages and Income (Personal Income using Home and Business)
• Click on I'll choose what I work on (if shown)
• Scroll down to Retirement Plans and Social Security
• On IRA, 401(k), Pension Plan Withdrawals (1099-R), click the start or update button