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There are times when you may want to use the 9 digit zip code validation for US. The 9 digit zip code is usually in format like this #####-####. For a 9 digit US zip code validation use below regular Expression. ^([0-9]{5}-[0-9]{4})$.
Routing Number Validation is a quick service for verifying a Routing Number and returning the Receiving Depository Financial Institution (RDFI) information for that number, if it is valid. The result will return the following details: Description of the result, Bank Name, Address, City, State, Zip and Phone.