The City of Cologne in Germany (in German it’s Köln)

§ Cologne: brief information about the city

The City of Cologne, in German Köln, with a population size of about 1'085'000 people is one of the few million-plus cities in Germany, covering an area of 405 km², the city is located in the western part of Germany in the federated state of North Rhine-Westphalia (The capital of the federated state is the City of Дюссельдорф). The population density of the city is 2'678 people per 1 km². Cologne is a metropolitan area with a population size exceeding 1.9 million people. The city is part of the metropolitan region: Rhine-Ruhr metropolitan region, with a population size of 13.8 million people. Read more at all metropolitan areas and metropolitan cities of Germany.

§ Cologne population, population density

The table below contains the population statistics for the City of Cologne versus the mean value per 1 city in Germany. This gives an idea of the city size and its population. Population data is sourced from the Federal Statistical Office of Germany.

The population of the city of Cologne in 2023.

§ Köln local time

The City of Köln, like all other cities in Germany, has a single time zone, so the exact local time in the City of Köln is the same as in all the cities of Germany:

Postal code(s) of the City of Cologne

The major postal code in the City of Köln is 50667 (it consists of 5 digits, like all postal codes in Germany).

However, the following postal codes also apply to the city, depending on the city part: 50668, 50670, 50672, 50674, 50676, 50677, 50678, 50679, 50733, 50735, 50737, 50739, 50765, 50767, 50769, 50823, 50825, 50827, 50829, 50858, 50859, 50931, 50933, 50935, 50937, 50939, 50968, 50969, 50996, 50997, 50999, 51061, 51063, 51065, 51067, 51069, 51103, 51105, 51107, 51109, 51143, 51145, 51147, 51149, 51467.

§ City of Cologne on the map

To open the map to view the location of the city, click the next button. To open the map in full screen mode, click the button at the top right of the map.

Show on the map

§ City of Cologne phone code (or area, dialling code, international prefix)

For telephone calls to the City of Cologne, use its telephone code 221. For calls around Germany, dial “0” (to access the DLD, domestic long-distance line) prior to the city code, that is 0 221, and then dial the subscriber's phone number. For calls from other countries, first dial the international access code (which, for example, in UK is: “00”, two zeros), then the code of Germany 49, then the city code 221 and the subscriber's phone number, for example: 00 49 221 1234123.

The City of Cologne: population, local time, code, ZIP