This is the telephone area code for Košice and surrounding areas in Eastern Slovakia.
How to Call Košice from Overseas
- Dial your country's exit code (International Access Code)
- Dial 421 (Slovakia country code)
- Dial the area code (55)
- Dial the local phone number (9 digits total including area code)
Example: Calling Košice from Hungary
00 421 55 345 678 901
Where:
00 = Hungary exit code
421 = Slovakia country code
55 = Košice area code
345 678 901 = Local Košice phone number (9 digits with area code)
Quick Facts
Košice Area Code Coverage
The 55 area code covers Košice and surrounding areas in Eastern Slovakia:
Historic City Center
Main Street, St. Elisabeth Cathedral, historic monuments, UNESCO site
Steel Mill District
U.S. Steel Košice plant, industrial areas, manufacturing zones
University Areas
Technical University of Košice campuses, student districts, research centers
Cultural Quarter
State Theater, museums, galleries, cultural institutions
Residential Districts
Housing areas, suburbs, apartment complexes
Greater Košice Region
Surrounding towns, villages, eastern Slovakia communities
Major Slovakia Area Codes
Common Exit Codes for Calling Slovakia
When calling Košice from these countries, use these exit codes:
Hungary
00
Ukraine
00
Poland
00
Czech Republic
00
Romania
00
Austria
00