Czechia ZIP code and address format

5-digit numeric postal codes, like 100 00 or 251 66.

Format: NNN NN
Examples: 100 00 251 66 530 87
Address: John Smith, Company Name, 123 Main Street, 100 00 CITY

Postal code format in Czechia

Called	Postal code
Format	`NNN NN` N is a digit, A is a letter
Examples	`100 00` `251 66` `530 87` `110 00` `225 99`
Required in an address	Yes
Where it goes	Before the city, on the same line
Validation regex	`^\d{3} ?\d{2}$`
Official lookup	Postal service search

How to write an address in Czechia

John Smith
Company Name
123 Main Street
100 00 CITY
CZECHIA

The postal code goes before the city, on the same line.
Write the city in capital letters.
Required parts: street address, city, ZIP/postal code.
When you send mail from abroad, add CZECHIA as the last line.

Postal codes by city in Czechia

Prague120 codes, 100 00–278 01
Brno77 codes, 602 00–667 01
Ostrava26 codes, 700 30–725 29
Pilsen84 codes, 301 00–349 52
Liberec28 codes, 294 13–464 01

Neighbouring countries

AustriaNNNN
GermanyNNNNN
PolandNN-NNN
SlovakiaNNN NN

Other countries with the NNN NN format

Greece, Slovakia.

Questions about Czechia postal codes

What is the ZIP code format in Czechia?

Czechia uses 5-digit numeric postal codes in the format NNN NN (N is a digit, A is a letter), for example 100 00 or 251 66.

How do I find the ZIP code of an address in Czechia?

Type the address in the search box or click the place on the map. Zipdress shows the full address and its postal code. You can also check the official postal code search of Czechia.

How do I write an address in Czechia?

Use this order, one part per line: John Smith / Company Name / 123 Main Street / 100 00 CITY. The postal code goes before the city, on the same line.