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Why does the USA Alert message come from the 24639 number?

April 26, 2017Alert message USA

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Why does the USA Alert message come from the 24639 number?

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The five-digit number is called a vendor routing number. This number is a unique “short code” identifier that cell phone carriers need in order to determine whether a text message is coming from a legitimate source. In this case, 24639 indicates the mesage is from the USA Alert system.