0345 UK-rate numbers UK

About 0345 numbers in the UK

The 0345 prefix is part of the UK National Telephone Numbering Plan administered by Ofcom and falls into the Non-geographic family. 0345 calls cost the same as a standard 01/02 call, including from mobiles, and are usually included in inclusive minute bundles.

Ofcom allocates 0345 number ranges to UK communications providers (Range Holders) in 1,000- or 10,000-number blocks. The table below lists every currently-allocated block we have ingested from Ofcom’s weekly Numbering Data feed. Click any Range Holder to see their full UK portfolio, or paste a specific number into the lookup form above to see the originating provider, the allocation status, and a live AI internet check for any public reports about that exact number.

For a deeper explainer on how UK number prefixes are organised, see UK area codes explained, How Ofcom allocates UK phone numbers, and the UK phone number format guide. If you have received a 0345 call you are unsure about, our who-called-me UK guide walks through the safe identification routine in under a minute.

0345 ranges currently in the Ofcom data

Our most recent Ofcom snapshot lists 200 individual number ranges currently allocated on the 0345 prefix, spread across 33 Ofcom-listed Range Holders. The top 5 holders by allocated block count are Vodafone Ltd (C&W) (27), GCI Network Solutions Limited (20), Virgin Media Limited (19), Verizon UK Limited (18) and TalkTalk Communications Limited (10). The dominant allocation status across 0345 blocks is Allocated (73% of the visible ranges), followed by Protected at 27%.

Spotting a fake 0345 call

• Check the Range Holder column below: a 0345 number that doesn’t map cleanly to one of the UK-licensed providers listed is the first amber flag. Genuine UK callers on this prefix come through one of the carriers Ofcom has actually allocated the block to.
• Watch the script. Legitimate 0345 callers — whether banks, delivery firms, public-sector services or commercial brands — don’t pressure you into reading codes from a text, keying in passwords, or installing remote-access software while still on the line.
• If you weren’t expecting a 0345 call, hang up and ring back via a number printed on the organisation’s website or a recent letter, not the CLI that just rang you. Most 0345 scams collapse the moment you switch to a verified channel.
• Paste the exact digits into the lookup form above for a live AI internet check. If the number has been mass-reported on consumer forums, that surfaces in the per-number result alongside the structured Ofcom Range Holder data.