Calling Slovakia from Czech Republic: 00 421 [local number].
Quick answer
To call Slovakia from Czech Republic, dial 00, then 421, then the local number without leading zeros. Example: 00 421 912 123 456.
Plan before you dial with the international call cost calculator and the best time to call planner. Looking for a calling card alternative instead of the dialing instructions? Compare calling cards to Slovakia.
Dialing format
00 421 912 123 456
Exit code • Country code • Local number
Whether you’re calling family, friends, or business contacts, knowing how to call Slovakia correctly helps your conversation start smoothly. This guide covers the essential dialing steps, including country and area codes that are easy to miss. By the end, you’ll be ready to connect confidently with anyone in Slovakia - whether you’re calling Bratislava or anywhere else.
Follow these simple steps to make a call to Slovakia from Czech Republic
Start by dialing 00 (or use + on mobile). This is the international dialing prefix for Czech Republic.
Dial the country code +421 for Slovakia.
Dial the local phone number in Slovakia (typically 8-10 digits, without any leading zeros).
Full format: 00 421 [local number] - For example: 00 421 612 345 678
International Dialing Format
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Calling Code
+421
Capital of Slovakia
Bratislava
Region
Europe (Central Europe)
Currency of Slovakia
Euro (€)
Slovakia Time Zones
UTC+01:00
Current time
Your time
--:--
Slovakia
--:--
Slovakia is --
Slovakia, located in Central Europe, is a nation with a rich identity. Its capital city, Bratislava, serves as the administrative center for a population of approximately 5.4M.
The official currency is the Euro (€). When calling Slovakia, the country code is +421. The country observes the UTC+01:00 time zone(s), and the primary language(s) spoken include Slovak.
Population
5.4M
Population Rank
#117 of 230
Language Footprint
Slovak
Time Zone Footprint
UTC+01:00
City/Area Code Coverage
25 locations listed
Dial Code Status
Exclusive code in dataset
Slovakia currently has a 9-digit local number pattern in this guide, with country code +421.
Exit Code in Czech Republic
00 (dial 00 (or + from mobile))
Czech Republic Country Code
+420
Route Dialing Pattern
00 421 912 123 456
Capital Time Difference
0h (same time)
Best Calling Window (Origin Time)
09:00-18:00
Currency Pair
Czech koruna (Kč) -> Euro (€)
Primary languages: Czech Republic (Czech, Slovak) and Slovakia (Slovak).
Shared language overlap: Slovak. Primary timezones: Czech Republic (UTC+01:00) and Slovakia (UTC+01:00).
Use this route profile to plan a real call from Czech Republic to Slovakia, including the exit code, destination country code, time difference, and local context.
From
Czech Republic
To
Slovakia
For dialing this route, callers in Czech Republic usually start with 00 or the plus sign, then dial +421 before the local Slovakia number.
Czech Republic's primary timezone in this dataset is UTC+01:00, while Slovakia's is UTC+01:00. A practical origin-time calling window is 09:00-18:00.
Czech Republic callers are represented by CZ/CZE, with Prague as a capital reference point, Central Europe, 11M people, Czech koruna (Kč), and primary language context of Czech, Slovak.
Origin exit prefix: 00 or + from mobile. Origin country code: +420. Origin time zones: UTC+01:00.
Slovakia is represented here by SK/SVK, Bratislava, Central Europe, about 5.4M people, Euro (€), and primary language context of Slovak.
Destination calling code: +421. Destination time zones: UTC+01:00. Rate check: check live price before dialing.
This route combines Czech Republic's outbound dialing rules with Slovakia's destination numbering and local schedule. The primary timezone relationship is 0h, same primary timezone, and the recommended origin-time window is 09:00-18:00.
Dialing sequence: 00 421 local number. Business-hour window: 09:00-18:00. Time relationship: 0h, same primary timezone.
Destination market: Slovakia is in Central Europe, with Bratislava as a main administrative center. Calls from Czech Republic may reach family, companies, banks, hotels, clinics, or public offices across a market of about 5.4M. Primary language context: Slovak. Local billing and everyday prices use Euro (€).
Route context: Czech Republic is listed in Central Europe with a population of about 11M; Slovakia is listed in Central Europe with about 5.4M. The route has shared language overlap in Slovak. Currency context also changes across the route: Czech koruna (Kč) in Czech Republic and Euro (€) in Slovakia.
| City / Region | Area Code | Full Dialing Pattern |
|---|---|---|
| Banská Bystrica | 421-48 | +421-48 [local number] |
| Bardejov | 421-54 | +421-54 [local number] |
| Bratislava | 421-2 | +421-2 [local number] |
| Dunajská Streda | 421-31 | +421-31 [local number] |
| Humenné | 421-57 | +421-57 [local number] |
| Ko?ice | 421-55 | +421-55 [local number] |
| Levice 36 | 421-36 | +421-36 [local number] |
| Liptovský Mikulá? | 421-44 | +421-44 [local number] |
| Lucenec | 421-47 | +421-47 [local number] |
| Martin | 421-43 | +421-43 [local number] |
| Michalovce | 421-56 | +421-56 [local number] |
| Nitra | 421-37 | +421-37 [local number] |
| Nové Zámky | 421-35 | +421-35 [local number] |
| Poprad | 421-52 | +421-52 [local number] |
| Pova?ská Bystrica | 421-42 | +421-42 [local number] |
| Pre?ov | 421-51 | +421-51 [local number] |
| Prievidza | 421-46 | +421-46 [local number] |
| Ro?nava | 421-58 | +421-58 [local number] |
| Senica | 421-34 | +421-34 [local number] |
| Spi?ská Nová Ves | 421-53 | +421-53 [local number] |
| Topol'cany | 421-38 | +421-38 [local number] |
| Trencín | 421-32 | +421-32 [local number] |
| Trnava | 421-33 | +421-33 [local number] |
| ?ilina | 421-41 | +421-41 [local number] |
| Zvolen | 421-45 | +421-45 [local number] |
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