A 0300 number is part of the UK’s 03 range – a set of non-geographic phone numbers introduced by Ofcom to provide a fair, standard-rate option for organisations that operate nationwide. These numbers are typically used by public bodies, charities, and not-for-profit organisations, rather than commercial businesses.
Unlike older non-geographic ranges such as 0845 or 0870, which carried premium charges, 0300 numbers are regulated to cost no more than a call to a normal landline (01 or 02). This makes them clear, predictable, and consumer-friendly.
Who Uses 0300 Numbers?
The 0300 range is reserved exclusively for:
- Government departments and agencies
- NHS services and local authorities
- Registered charities and not-for-profit organisations
- Educational and community support bodies
Commercial companies must use the other 03 ranges (like 0330 or 0345), ensuring 0300 remains a trusted indicator of a public or charitable service.
How Much Do 0300 Numbers Cost to Call in 2025?
Calls to 0300 numbers aren’t completely free, but they’re treated the same as standard geographic numbers. That means they’re usually included in your landline or mobile call allowance. If your plan includes calls to UK landlines, you won’t pay anything extra.
If you’re out of minutes or don’t have an inclusive package, your provider will charge you the normal rate for landline calls.
2025 pricing guide
| Type of Call | Typical Cost (2025) | Notes |
| Included in call bundle (landline or mobile) | £0 / minute | Treated the same as 01/02 numbers |
| Outside call bundle (landline) | Up to 16 p per minute | Standard national rate |
| Outside call bundle (mobile) | 3 p – 65 p per minute | Depends on provider and plan |
| From payphones or VOIP services | 10 p – 40 p per minute | Often subject to provider markup |
Tip: Always check with your phone provider. Most UK networks (including BT, Sky, Virgin, EE, O2, and Vodafone) now include 03 numbers in their inclusive minutes, but smaller or international carriers may differ.
Why Organisations Choose 0300 Numbers?
Using an 0300 number offers several benefits:
- National presence – callers can reach you from anywhere in the UK without extra charge.
- Professional image – trusted by the public and recognised as a fair, non-profit number type.
- Flexible routing – calls can be diverted to multiple locations or staff without changing the number.
- Cost transparency – regulated pricing makes it easier to communicate call costs clearly.
If your organisation qualifies, 0300 numbers are one of the most consumer-friendly options available – combining low cost for callers with flexibility and credibility for you.
Key differences: 0300 vs 0330 vs 0800
| Number Type | Who Can Use It | Cost to Caller | Best For |
| 0300 | Charities, public bodies, not-for-profits | Standard landline rate (often included) | Official or public sector use |
| 0330 | Any business or organisation | Standard landline rate (often included) | Private sector companies |
| 0800 / 0808 | Any organisation | Free to call | Customer helplines and sales lines |
Buying a 0300 Number
If your organisation is eligible, you can rent or purchase a 0300 number through UK number providers. Find out more.
In Summary
0300 numbers offer a transparent, nationwide & affordable way for the public to contact charities, councils, and government services.
To find out more, call 0330 332 0400
