Illinois 1966 Social Security Numbers

Social Security Numbers issued to Illinois in 1966 fall between 318-26-xxxx and 361-46-xxxx.

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About this Data

SSNs issued before June 25, 2011 are linked to where the number was issued which is often the same as where the cardholder was born. After 2011, SSN issuance was randomized. Not every SSN in the range above is necessarily valid. Learn More >

Illinois SSNs issued in 1966

Within the 318-26-xxxx to 361-46-xxxx range, the 4th and 5th digits indicate when a number was issued.

Social Security Number	First Year Issued	Last Year Issued	Estimated Age of Cardholder	Valid SSN?
342-44-####	1966	unknown	62 to 74 yrs	Valid
343-38-####	1962	unknown	66 to 78 yrs	Valid
343-42-####	1965	unknown	63 to 75 yrs	Valid
343-44-####	1966	unknown	62 to 74 yrs	Valid
344-38-####	1962	unknown	66 to 78 yrs	Valid
344-42-####	1965	unknown	63 to 75 yrs	Valid
344-44-####	1966	unknown	62 to 74 yrs	Valid
345-38-####	1962	unknown	66 to 78 yrs	Valid
345-42-####	1965	unknown	63 to 75 yrs	Valid
345-44-####	1966	unknown	62 to 74 yrs	Valid
346-38-####	1962	unknown	66 to 78 yrs	Valid
346-42-####	1965	unknown	63 to 75 yrs	Valid
346-44-####	1966	unknown	62 to 74 yrs	Valid
347-38-####	1963	unknown	65 to 77 yrs	Valid
347-40-####	1964	unknown	64 to 76 yrs	Valid
347-42-####	1965	unknown	63 to 75 yrs	Valid
347-44-####	1966	unknown	62 to 74 yrs	Valid
348-38-####	1963	unknown	65 to 77 yrs	Valid
348-42-####	1965	unknown	63 to 75 yrs	Valid
348-44-####	1966	unknown	62 to 74 yrs	Valid
349-38-####	1963	unknown	65 to 77 yrs	Valid
349-42-####	1965	unknown	63 to 75 yrs	Valid
349-44-####	1966	unknown	62 to 74 yrs	Valid
350-26-####	1951	unknown	77 to 89 yrs	Valid
350-38-####	1963	unknown	65 to 77 yrs	Valid
350-42-####	1965	unknown	63 to 75 yrs	Valid
350-44-####	1966	unknown	62 to 74 yrs	Valid
351-26-####	1951	unknown	77 to 89 yrs	Valid
351-38-####	1963	unknown	65 to 77 yrs	Valid
351-42-####	1965	unknown	63 to 75 yrs	Valid
351-44-####	1966	unknown	62 to 74 yrs	Valid
352-38-####	1963	unknown	65 to 77 yrs	Valid
352-40-####	1964	unknown	64 to 76 yrs	Valid
352-42-####	1965	unknown	63 to 75 yrs	Valid
352-44-####	1966	unknown	62 to 74 yrs	Valid
353-38-####	1963	unknown	65 to 77 yrs	Valid
353-42-####	1965	unknown	63 to 75 yrs	Valid
353-44-####	1966	1967	69 to 74 yrs	Valid
354-26-####	1951	unknown	77 to 89 yrs	Valid
354-38-####	1963	unknown	65 to 77 yrs	Valid
354-42-####	1965	unknown	63 to 75 yrs	Valid
354-44-####	1966	1967	69 to 74 yrs	Valid
355-38-####	1963	unknown	65 to 77 yrs	Valid
355-42-####	1965	unknown	63 to 75 yrs	Valid
355-44-####	1966	1967	69 to 74 yrs	Valid
356-26-####	1951	unknown	77 to 89 yrs	Valid
356-38-####	1963	unknown	65 to 77 yrs	Valid
356-42-####	1965	unknown	63 to 75 yrs	Valid
356-44-####	1966	1967	69 to 74 yrs	Valid
357-38-####	1963	unknown	65 to 77 yrs	Valid

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