For a usefull system a Country identyfier and the ZIP code should be used, like US-90210 or DE-81541 or CA-M2R3G3 (ISO 2 Char Country identifyer plus up to 9 char for ZIP - there is _no_ ZIP code in the world with more than 9 digits). And for the state/province thing - that's not used outside US/CA and defacto redundant information, since the ZIP code already includes this - everybody knows the location of (at least) the first two or 3 digits within his country. Servus Hans