The code "CO-26-TR-273196" (often appearing with variations like IL, NJ, TX, or MN prefixes) is a fictitious case number used in a widespread text message scam targeting residents across multiple U.S. states. It is also written as NJ-26-TR-273196, IL-26-TR-273196, TX-26-TR-273196, MN-26-TR-273196 or TN-26-TR-273196)