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0843 Service rate numbers UK

0843 are 'business-rate' service numbers. The caller pays an access charge plus a service charge of up to 7p/min.

About 0843 numbers in the UK

The 0843 prefix is part of the UK National Telephone Numbering Plan administered by Ofcom and falls into the Service number family. 0843 are 'business-rate' service numbers. The caller pays an access charge plus a service charge of up to 7p/min.

Ofcom allocates 0843 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 0843 call you are unsure about, our who-called-me UK guide walks through the safe identification routine in under a minute.

Allocated ranges starting with 0843

PrefixStatusRange holder
+44 843AllocatedBritish Telecommunications PLC

FAQs about 0843

Are 0843 numbers safe to answer?

Service number numbers like 0843 are not inherently dangerous, but service number prefixes can be (and are) abused by scammers. Use the lookup above to see who Ofcom allocated the specific block to and read the AI internet check.

What does 0843 cost to call?

0843 are 'business-rate' service numbers. The caller pays an access charge plus a service charge of up to 7p/min.

Can I block all 0843 calls on my phone?

Most modern UK mobile networks let you block by prefix in their My-Account app. iOS and Android also support a "Silence Unknown Callers" option. Truecaller and Hiya offer prefix-level blocklists.