Range holder · London
TelXL Limited in London
020 numbering ranges allocated by Ofcom
About TelXL Limited’s London allocation
When TelXL Limited is the range holder for +44 20 it means Ofcom recorded TelXL Limited as the provider entitled to issue numbers from these blocks when they were first allocated under the UK National Telephone Numbering Plan. 5 London-facing blocks sit against TelXL Limited in the current Ofcom snapshot, each of which can carry up to ten thousand individual digits available for assignment to end customers.
London’s Greater London telecoms estate is shaped by London's catchment of roughly 8,982,000 residents: a dense urban exchange typically hosts allocations from several national operators in parallel, which is why you see TelXL Limited’s blocks alongside other range holders on the same 020 code. Local switching capacity, historic Openreach exchange footprints, and TelXL Limited’s wholesale routing arrangements all influence which blocks land in London rather than elsewhere on the national plan.
Treat this allocation as a starting point, not a verdict on any specific caller. UK numbers are portable, so the current carrier on a given 020 digit string may differ from the range holder shown — read Range Holder vs current provider for the distinction, and How Ofcom allocates UK phone numbers for the wider context behind the table below.
TelXL Limited on 020: by the numbers
- London blocks
- 5
- In active service
- 100%
- Share of 020
- 0%
- Holders on code
- 240
Of the 5 blocks TelXL Limited runs on the 020 code, 5 (100%) are marked as actively allocated in the current Ofcom snapshot.
By number family these blocks are 100% geographic (01 / 02) — a profile that tells you what kind of caller a London TelXL Limited number is likely to be before you even dial it back.
TelXL Limited runs 5 of the 5,201 allocated blocks on the 020 dialling code — roughly 0% of London’s mapped allocation, shared with 239 other range holders. Most are listed as "Allocated", which means the block is currently in active service with a communications provider.
Allocated ranges
TelXL Limited blocks on the 020 (London) dialling code.
| Prefix | Status |
|---|---|
| +44 200200 | Allocated |
| +44 200202 | Allocated |
| +44 200234 | Allocated |
| +44 203368 | Allocated |
| +44 207030 | Allocated |
Quick links
- TelXL LimitedAll TelXL Limited ranges
- 020 LondonAll numbers on 020
- LondonMore on London
- (AQ) LIMITEDAlso allocated on 020
- 10EX NET LIMITEDAlso allocated on 020
- 24 Seven Cloud Communications LtdAlso allocated on 020
- TelXL Limited in Hemel HempsteadTelXL Limited ranges in Hemel Hempstead
- TelXL Limited in Milton KeynesTelXL Limited ranges in Milton Keynes
- TelXL Limited in CheltenhamTelXL Limited ranges in Cheltenham
- All range holdersEvery Ofcom-listed provider
- Lookup any UK numberFree reverse phone lookup
FAQs about TelXL Limited on 020
Why does TelXL Limited appear on London (020) numbers?
TelXL Limited is listed in Ofcom's UK Numbering Data feed as the originally-allocated range holder for 5 number blocks on the 020 dialling code, which covers London. That allocation pre-dates any individual customer — it simply means Ofcom recognised TelXL Limited as the wholesale operator entitled to issue those digits when the block was first allocated.
Are calls from a London TelXL Limited-allocated number safe?
An Ofcom allocation only tells you which provider the block was issued to; it is not a safety verdict. UK numbers can be ported between networks, and any UK area code can be spoofed by an overseas caller. Paste the specific 020 number into the lookup above to combine the TelXL Limited range data with the scam, nuisance and safe verdicts other callers have left on that exact number.
Has TelXL Limited's 020 block been updated recently?
Yes — the table above is sourced from Ofcom's public UK Numbering Data feed, which we re-ingest every week (typically Wednesday). Any block that has been re-assigned, withdrawn or marked free will appear with its new status on the next refresh. Numbers within an allocated block can still be ported to another carrier in between Ofcom updates; see our range-holder-vs-current-provider guide for the distinction.