Colorado Social Security Information
The first 3 digits of Social Security Numbers issued in Colorado fall between 521 and 653.
In 2013 there was a population of 5,268,000 people in Colorado and 14.7% receive Social Security benefits. There were 647,000 people over the age of 65 and 87.3% of them receive Social Security benefits. 2013 is the most recent year for which we have reliable data.
Not all numbers in this range have been issued. Click to Verify Social Security Numbers or to Lookup Social Security Numbers by Year. Learn more about Decoding Social Security Numbers. It is important to remember that this is where the number was issued - not necessarily where the recipient was born.