Postal code formatting rules Metadata containing postal code formatting rules, exceptions and regular expressions (regex) for every country with a postal code system   These data tables built  by GRC Data Intelligence,  contain postal code format rules for every country with a postal code system.  It is an ideal resource for parsing postal codes or for ensuring correct data entry. The data is provided in three files.  The first contains valid postal code format rules, and also commonly mis-formatted versions.  The data contained is: Country name Internal GRC Database Information country code ISO 3166-2 country code ISO 3166-3 country code ISO numeric country code Correct postal code length A flag to indicate whether the given format is correct or a common error One code per postal code character position to indicate the expected character type The second table contains characters which are not allowed in the postal codes in the country concerned.  This is not a complete list - it is intended as a complement to the format rules above: Country name Internal GRC Database Information country code ISO 3166-2 country code ISO 3166-3 country code ISO numeric country code Disallowed character(s) The position in the postal code for this country in which the characters, if found, are known to be illegal The third file contains regular expressions to validate postal codes for every country with a postal codes system. Full documentation is available here. Formats The regular expression data is provided as an Excel spreadsheet. The other Data is held in Microsoft Visual FoxPro format, but can be provided also in these formats: FoxPro 2.x (dBase III+), comma delimited text, tab delimited text, fixed column width text, and Excel.  Data ordered will be e-mailed. Prices This whole file is available at the price of only EUR 495.  This price includes quarterly file updates for 1 year after purchase.  Updates are offered after that period at advantageous rates.  If have any questions regarding the file, please contact us. This data is offered on a royalty-free basis for use in any way you wish, with this important proviso that the data may not be copied or distributed in any way whatsoever when it can, in normal use, be accessed by other users.  In other words, if you would like to use this data in your software package, that is allowed provided users cannot get at, or export, the data themselves. You will be asked to agree to our terms and conditions when purchasing.  Our terms, conditions and licensing structure can be viewed here. To purchase the full file, follow this link to order by credit card. If you would like more information please send us a message. If you have any questions about any of our products, please contact us.
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