Postal Districts

Poland

In the largest cities in Poland, Postal Districts represent a grouping of postal areas that have a postal code starting with the same characters.

Russia

In Moscow, Postal Districts represent a grouping of postal areas that have a postal code starting with the same characters.

U.K.

Postal Districts in the U.K. are not a representation of U.K.'s postal districts, but of the Postal Sectors, which are a subdivision of postal districts.

U.S.

Postal Districts are ZIP Code areas. Point ZIP Codes are not represented in this product.
In the U.S., TomTom^® defines wilderness areas, forests and parks as "zero-delivery areas" and reserves postal codes 00000 to 00199 for these areas. These postal codes do not represent actual United States Postal Code (USPS) ZIP Codes.

Postal District Names

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The standard name for Postal District is the most common name of a postal area as defined by the national postal organization.

In a monolingual municipality, the standard name has the language code of the language officially used in the municipality.

In a multilingual municipality, if a common name exists for each official language, the standard name is captured for each common name and the language codes are the languages officially used in the municipality.

In a multilingual municipality, if a common name does not exist for each official language, the standard name is captured for the most common name and has the language code of either:

the official language that reflects the origin of the name; or the official language that is recognized as official at the national level.

If the options above are not decisive, the postal name has the language code of one of the official languages.

Postal District Name Types

Postal District name types are presented as a bitmask value in this table.

To retrieve Official Names globally:

use bitmask value = "5" (bitmask "1" ("Official Name") + bitmask "4" (U.S. only - "Last Line Name")).

To retrieve Alternate Names globally:

use bitmask value = "2" ("Alternate Name")

Note: In the U.S., options of names that are "Acceptable" (bitmask "8") or "Not Acceptable" (bitmask "16") are also available.