Kalisz Post Codes: Poland. Hi, my name is Jonatan Heyman. In some countries they are made up by numbers, in others they can be combinations of numbers an letters, some can contain spaces, others dots, the number of characters can vary from two to at least six...What you could do (theoretically) is create a seperate regex for every country in the world, not recommendable IMO. Argentina. Greater Poland Poland zip codes and postal code finder, free Greater Poland Poland postal code database lookup Even if you expect that you will be sending them something As noted elsewhere the variation around the world is huge. @ddunn801, there's a (whomping big) differencee between validating the pattern and authenticating the postal code. your coworkers to find and share information. World Postal Code. Some people do use their ZIP+4./[0-9]{5}(? Unsure which region to choose? :-[0-9]{4})?$/I would like to point out that the regex for France and Great Britain do not take into account possible spaces; In France, postal codes can be input with a space between the second and third digits (i.e. ANY method that can cut down on mistakes is a Good Idea™However, writing a regex that would cover all postal codes in the world would be insane.Given that there are so many edge cases for each country (eg. Your ZIP code is. And even if something that matches the pattern does not mean it exists.Then, of course, there are many places where postcodes are not used (e.g. Having the correct code is essential to your mails delivery. Here is the new regex string for the extended validation on Canadian Postal Codes: Also, even if it is the correct zip code today it very well might change in the future. Poland Other Codes. ZIP-Codes.com Products. Looks like Chi's answer is better in this regard.because str_replace a space with no space is super taxing right? 75 001 instead of 75001). Exactly what I wanted thx@GiulioCaccin H0H0H0 is a valid Canadian Postal Code (which children use to get letters from Canada Post pretending to be Santa Claus), but that doesn't mean it's a valid customer postal code :)FYI, American Samoa is small enough to only has one postcode and it's 96799In my opinion this is the only good answer. Both companies provide address lookup facuilities through a programmable API.Why are you doing this and why do you care? I'm looking for something that will cover most (hopefully all) of the world.Postal/zip codes around the world don't follow a common pattern. Note that the postal code may be searched with nearby approximation. You write a regex for it. … International postal codes are a kind of halting problem. SW1 1AA instead of SW11AA). Poland - 10 Largest Cities. Use our interactive map, address lookup, or code list to find the correct zip code for your postal mails destination. Name Population Latitude/Longitude; 1: Warsaw , Mazovia: 1,702,139: 52.23 / 21.012: 2: Łódź , Łódź Voivodeship: 768,755 Postal codes for Kalisz, Poland. Interactive map of zip codes in Greater Poland, Poland. 62-065 Zdrój (Greater Poland) – NotMe Feb 5 '10 at 21:17 I made this website in a few hours on a train, while commuting to Stockholm. )Google also has a web service with per-country address formatting information, including postal codes, here - Every postal code system uses only A-Z and/or 0-9 and sometimes space/dashNot every country uses postal codes (ex. are considered proper post codes as you can't identify an address using just this code and a street number.It is only a good idea until the code starts rejecting valid zipcodes either because it is buggy or the zipcodes have changed. ZIP Code Database Get all US ZIP Codes and their information in one easy to use database. Users can easily view the boundaries of each Zip Code and the state as a whole.