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Chattr Sim Only deals & voucher codes

Explore the latest available offers. Check each offer’s terms before you shop.

Exclusive

75%VOUCHER CODE

75% off Month One. £3.75 for Unlimited Everything on Chattr's Freedom One Plan with our exclusive code.…

About Chattr Sim Only

We’re Chattr — a SIM-only mobile network focused on great value, flexibility, and putting our members first.

Chattr was created because we felt UK mobile networks weren’t giving people a fair deal. We’ve built something refreshingly simple:

Affordable plans designed for families, students, and anyone who want a wide range of benefits without the fuss.

No hidden catches — we’ll tell you if you could be on a cheaper plan and help you switch.

Flexibility — 30-day rolling plans with no nasty surprises.

Travel Friendly - Roam Freely in 40+ Countries.

Real customer support — fast, human responses, no bots or endless hold times.

We run on o2's award-winning network, giving strong UK coverage.

Plans available: 5GB, 25GB, Unlimited.

Free EU roaming included.

Unrestricted hotspot so you can share your data freely.

Easy number transfer — keep your number in minutes.

What makes Chattr's SIM-only plans unique?

Chattr focuses on providing affordable, flexible plans with no hidden fees, running on o2's award-winning network for excellent UK coverage.

Can I keep my existing phone number with Chattr?

Yes, Chattr makes it easy to transfer your existing number in minutes, ensuring a seamless transition.

Does Chattr offer international roaming?

Absolutely! Chattr includes free EU roaming and allows you to roam freely in over 40 countries.

Do Chattr plans include customer support?

Yes, Chattr provides real, human customer support with fast responses, avoiding bots and long wait times.

Are Chattr plans flexible?

Yes, Chattr offers 30-day rolling contracts, allowing you to adjust or cancel your plan without any penalties.