Options to return multiple results in areas where a postal code is associated with more than one district or city area.
Without these options, the system only provides one result and may leave the district or city name blank or use a default name,
potentially omitting relevant districts of cities.
Description of supported values:
cityLookup: When a postal code spans multiple cities, this option gives you all possible combinations of the postal code with the corresponding city names.districtLookup: When a postal code spans multiple districts (within one city or across multiple cities), this option gives you all possible combinations of the postal code with the corresponding district and city names.