An American Bankers' Committee on Uniform Security Identification Procedures (CUSIP) number is a 9-character alphanumeric code that identifies a North American financial security.

The US National Drug Code (NDC) is a unique identifier for drug products, mandated in the United States by the Food and Drug Administration (FDA).

A United States Adoption Taxpayer Identification Number (ATIN) is a type of United States Tax Identification Number (TIN). An ATIN is issued by the Internal Revenue Service (IRS) to individuals who are in the process of legally adopting a US citizen or resident child.

The American Bankers Association (ABA) Routing Number (also called the transit number) is a nine-digit code. It's used to identify the financial institution that's responsible to credit or entitled to receive credit for a check or electronic transaction.

A US Drug Enforcement Administration (DEA) number is assigned to a health care provider by the US DEA. It allows the health care provider to write prescriptions for controlled substances. The DEA number is often used as a general "prescriber number" that is a unique identifier for anyone who can prescribe medication.

A driver's license number for the United States. Format can vary depending on the issuing state.

A United States Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity.

The US National Provider Identifier (NPI) is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS). The NPI has replaced the unique provider identification number (UPIN) as the required identifier for Medicare services. It's also used by other payers, including commercial healthcare insurers.

A United States Individual Taxpayer Identification Number (ITIN) is a type of Tax Identification Number (TIN), issued by the Internal Revenue Service (IRS). An ITIN is a tax processing number only available for certain nonresident and resident aliens, their spouses, and dependents who cannot get a Social Security Number (SSN).

A United States passport number.

A United States Preparer Taxpayer Identification Number (PTIN) is an identification number that all paid tax return preparers must use on US federal tax returns or claims for refund submitted to the US Internal Revenue Service (IRS).

A United States Social Security number (SSN) is a 9-digit number issued to US citizens, permanent residents, and temporary residents. This detector will not match against numbers with all zeroes in any digit group (that is, 000-##- ####, ###-00-####, or ###-##-0000), against numbers with 666 in the first digit group, or against numbers whose first digit is 9.

A United States state name.

A US toll-free telephone number.