vCard location names restrict length too much

The length is currently restricted to four characters. vCard uses more than four characters for several official location type names.

Reference:
http://www.imc.org/pdi/vcard-21.txt

Relevant section:
Indicates a domestic address
DOM

Indicates an international address (Default)
INTL

Indicates a postal delivery address (Default)
POSTAL

Indicates a parcel delivery address (Default)
PARCEL

Indicates a home delivery address
HOME

Indicates a work delivery address (Default)
WORK