Get a +420 Czech Republic National Number
Get a +420 CZ second number instantly—no contracts.
Cheaper than a SIM card. Mobile app only.
Works anywhere without roaming.
Get a +420 Czech Republic National NumberGet a +420 CZ second number instantly—no contracts.
Cheaper than a SIM card. Mobile app only.
Works anywhere without roaming.
Buy a +420 CZ National number for just $15 (USD)/month—instant activation. Skip the SIM card, ID checks, and long-term contracts. Cheaper than buying a second SIM.
Keep your regular cell phone number private for travel, work, or online listings. No roaming charges, and it works alongside your existing number.
Access your second number from anywhere—no SIM or eSIM required. Perfect for staying in touch while abroad.
Get StartedCheaper than a SIM card. Mobile app only. Works anywhere without roaming.
Keep your personal number private whether you’re at home or abroad. No roaming charges.
Stay connected during your travel. Get instant access to your second number with out mobile apps - no SIM card or eSIM required.
Receive SMS codes from apps and services instantly for sign-ups, logins, and two-factor authentication.
Remain connected to Czech culture regardless of your location—from warm conversations during festive seasons to reconnecting on special occasions with loved ones. Your +420 number ensures you’re just a call or text away, no matter where you roam.
Celebrate crucial moments throughout the year without missing any joy or connection.
Keep your lines open as you wander through the beauty of Czech towns and nature.
Ensure your interactions flow naturally with friends and family in Central European time zones, ideal for casual chats and holiday plans.
Receive verification codes instantly and change your number anytime with ease. Stay secure and in control — always.
Get SMS codes from apps and services instantly. Perfect for sign-ups, logins, and two-factor authentication.
Need a new number? Swap your CZ number anytime — fast, simple, and hassle-free.
| Make/receive domestic calls | |
| Send/receive domestic text messages | |
| Make international calls | |
| Send international texts | |
| ID not required |
Everything works directly in the app anytime, anywhere
Get a memorable personalized phone number, e.g. 323-CHA-RLES.
Easily place calls to any number across the country.
Initiate phone calls to any country around the world with ease.
Send and receive text messages directly from your second number.
Reach anyone across the globe with seamless international messaging, right from the app.
Easily send and receive voice messages, adding a personal touch when texting isn’t enough.
Plan and manage your phone calls at predetermined times that suit your schedule.
Redirect incoming calls to another phone number or device.
Record a custom greeting message for callers to hear when they reach your number.
Processed more than 14,000,000 SMS messages and 10,000,000 minutes of calls.
Burbank, CA
I needed a CZ number while traveling, and this service was perfect. Setup was instant, and I could start calling and texting right away. The pricing is clear — no hidden fees — and I love that I can change my number anytime. Super convenient and reliable!Get Started
Create a MySecondLine account and purchase a number.
Download MySecondLine from the App Store or Google Play.
Manage your second number—anytime, anywhere.
Traverse from the enchanting streets of Prague to the picturesque landscapes of Bohemia with your +420 number by your side. Enjoy seamless communication across the country and neighboring areas without the need to switch SIM cards.
Remain in touch as you discover cities such as Prague, Brno, and Ostrava—all through a single number.
Carry your number with you as you journey to nearby European nations without the hassle of purchasing new SIMs.
Utilize services like public transport and rideshare apps without needing a local SIM.