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External Data Source

Source

Regular Expression
^((\+?(?<CountryCode>1)\s(?<AreaCode>[2-9][0-8][0-9])\s)|((?<AreaCode>[2-9][0-8][0-9])\s))?(?<ExchangeCode>[2-9][0-9][0-9])\s(?<StationCode>[0-9][0-9][0-9][0-9])$