The Czech Republic country code is +420 — reaching all 10.7 million Czechs + ~14 million mobile subscriptions across O2 Czech Republic, T-Mobile Czech + Vodafone CZ. The heart of Central Europe + Prague is one of the world\'s most-visited cities.
The Czech Republic was assigned +420 by the ITU in 1997 (when Czechoslovakia split into Czech Republic + Slovakia). Czech sits in ITU zone 4 (Europe) alongside Germany +49, Slovakia +421, Poland +48 + Hungary +36.
The Czech Republic took +420 after the 1993 split from Slovakia (Slovakia got +421). Both shared +42 (Czechoslovakia) before. Today +420 is in zone 4 alongside Germany +49, Poland +48 + Hungary +36.
Czech Republic's telecom regulator is ČTÚ (Český Telekomunikační Úřad). Three major mobile carriers: O2 Czech Republic (the former state monopoly + largest with ~5M subs), T-Mobile Czech Republic (~6M, Deutsche Telekom subsidiary) + Vodafone Czech Republic (~4M). The market is highly competitive.
The Czech Republic uses a closed 9-digit numbering plan. Every Czech number is exactly 9 digits. First digit indicates type: <b>2</b> Prague landlines (e.g. 220-29X), <b>3-5</b> other regional landlines, <b>6, 7</b> mobile, <b>8</b> services + toll-free.
Prague is the world\'s 5th most-visited European city. Czech Republic (+420) hosts ~30M international tourists annually — driven by Prague\'s UNESCO Old Town, Charles Bridge + Prague Castle (the world\'s largest ancient castle complex). Czech is also a major European industrial economy — Skoda Auto (Volkswagen Group) is HQ in Mladá Boleslav, + IT outsourcing in Brno + Prague serves all of Europe. The Czech Republic is in NATO + the EU, but keeps its own currency (CZK). A +420 line is the natural caller-ID for Central European business + tourism.
A Czech phone number in international format is written as +420 [9-digit number]. No area code, no leading 0. Example: +420 222 123 456 for a Prague landline, +420 601 234 567 for a Czech mobile.
Czech mobile numbers start with 6 or 7: 601-609, 720-729, 730-739, 770-779 portable across all carriers. All Czech numbers are 9 digits — write as +420 NNN NNN NNN.
From Prague's Old Town Square to Brno's Špilberk Castle to the Karlovy Vary spa town, every Czech number lives behind a +420.
Every country uses a different exit code before +420 Czech Republic. From any mobile, + replaces the exit code — so +420 222 123 456 works worldwide. No leading 0, no area code.
011011 420 NNN NNN NNN+420 6/7 NN NNN NNN011011 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN00110011 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN8 108 10 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN010010 420 NNN NNN NNN+420 6/7 NN NNN NNN001001 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNN0000 420 NNN NNN NNN+420 6/7 NN NNN NNNTip: Czech numbers are always exactly 9 digits — no area code, no leading 0. Just dial the full 9-digit number after +420.
+420 reaches Central Europe's tourism + industrial hub. Czech eID + every Czech bank verify with +420 mobile.
Czech banks (Česká spořitelna, ČSOB, Komerční banka, Raiffeisenbank, UniCredit Bank ČR) + Czech eID + Bank iD + ePodepsi all SMS OTPs to +420 mobiles.
Czech Republic is a major manufacturing center — Skoda Auto (Volkswagen Group, HQ Mladá Boleslav) makes 800K+ cars/year. Brno (+420 5) is a major IT outsourcing hub. A +420 line is the natural caller-ID for European automotive + tech business.
A +420 2 prefix says "Prague — Czech Parliament, Czech National Bank, Prague Stock Exchange (PSE), Old Town + New Town historic districts, Prague Castle, Charles Bridge + Václav Havel Airport".
Prague is the world's 5th most-visited European city (~9M international visitors annually). Prague is also a top global film location — Mission: Impossible, Casino Royale, The Bourne Identity + many others filmed in Prague. A +420 line works for tourism + film business.
Czech Republic runs on CET (UTC+1) winter, CEST (UTC+2) summer — same clock as Germany, France, Italy, Spain (winter), Netherlands, Poland.
CallMama routes +420 through ČTÚ-licensed Czech carriers under EU GDPR + Czech Act 110/2019 (national GDPR implementation).
Pick your Czech prefix — 2 Prague, 5 Brno, 59 Ostrava — or grab a 6/7 mobile, and start calling, texting + receiving Czech eID + Česká spořitelna + ČSOB OTPs from real Czech customers.
Same six features come standard on every CallMama Czech Republic number — no upsell tiers, no per-feature charges.
Route any incoming call to your real mobile, a teammate, or voicemail — by schedule, caller, or custom rule.
One-tap recording for client calls and consults. Files store securely in your dashboard for replay or download.
Decide which local number shows on outbound calls so contacts always see a familiar prefix.
Voicemails arrive as audio plus a written transcript in your inbox — read or listen, no missed message.
Send and receive text and image messages from your number — same line works on web, iOS, and Android.
Outbound calls to 200+ countries from the same app. Skip carrier roaming and international add-ons.
From "I want a Czech Republic number" to making your first call — three taps and you're live.
Choose the area code or city prefix that matches where you sell.
Six-digit confirmation drops into the app. No documents to upload, no waiting room, no callbacks.
Your Czech Republic line is live. Start dialing, texting, and being reached — exactly the way a local would.
Name, country code, ISO 3166 alpha-2 & alpha-3, exit code, and ITU zone. Filter by continent or search by name or code.
| Country | Code | ISO-2 | ISO-3 | Exit | Zone |
|---|---|---|---|---|---|
| Afghanistan | +93 | AF | AFG | 00 | 9 |
| Albania | +355 | AL | ALB | 00 | 3 |
| Algeria | +213 | DZ | DZA | 00 | 2 |
| American Samoa | +1 | AS | ASM | 011 | 1 |
| Andorra | +376 | AD | AND | 00 | 3 |
| Angola | +244 | AO | AGO | 00 | 2 |
| Anguilla | +1 | AI | AIA | 011 | 1 |
| Antarctica | +672 | AQ | ATA | 00 | 6 |
| Antigua and Barbuda | +1 | AG | ATG | 011 | 1 |
| Argentina | +54 | AR | ARG | 00 | 5 |
| Armenia | +374 | AM | ARM | 00 | 3 |
| Aruba | +297 | AW | ABW | 00 | 2 |
| Australia | +61 | AU | AUS | 0011 | 6 |
| Austria | +43 | AT | AUT | 00 | 4 |
| Azerbaijan | +994 | AZ | AZE | 00 | 9 |
| Bahamas | +1 | BS | BHS | 011 | 1 |
| Bahrain | +973 | BH | BHR | 00 | 9 |
| Bangladesh | +880 | BD | BGD | 00 | 8 |
| Barbados | +1 | BB | BRB | 011 | 1 |
| Belarus | +375 | BY | BLR | 810 | 3 |
011 420 222 123 456 for a Prague landline, or 011 420 601 234 567 for a Czech mobile. No leading 0, no area code.+420 NNN NNN NNN — always 9 digits after +420.One tap to install. One more to call. It really is that simple.