Range holder · Alnwick
Calltracks Limited in Alnwick
01665 numbering ranges allocated by Ofcom
About Calltracks Limited’s Alnwick allocation
When Calltracks Limited is the range holder for +44 1665 it means Ofcom recorded Calltracks Limited as the provider entitled to issue numbers from these blocks when they were first allocated under the UK National Telephone Numbering Plan. 2 Alnwick-facing blocks sit against Calltracks Limited in the current Ofcom snapshot, each of which can carry up to ten thousand individual digits available for assignment to end customers.
Alnwick’s Northumberland telecoms estate is shaped by Alnwick's residential and business catchment: a dense urban exchange typically hosts allocations from several national operators in parallel, which is why you see Calltracks Limited’s blocks alongside other range holders on the same 01665 code. Local switching capacity, historic Openreach exchange footprints, and Calltracks Limited’s wholesale routing arrangements all influence which blocks land in Alnwick 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 01665 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.
Calltracks Limited on 01665: by the numbers
- Alnwick blocks
- 2
- In active service
- 100%
- Share of 01665
- 0%
- Holders on code
- 91
Of the 2 blocks Calltracks Limited runs on the 01665 code, 2 (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 Alnwick Calltracks Limited number is likely to be before you even dial it back.
Calltracks Limited runs 2 of the 822 allocated blocks on the 01665 dialling code — roughly 0% of Alnwick’s mapped allocation, shared with 90 other range holders. Most are listed as "Allocated", which means the block is currently in active service with a communications provider.
Allocated ranges
Calltracks Limited blocks on the 01665 (Alnwick) dialling code.
| Prefix | Status |
|---|---|
| +44 1665461 | Allocated |
| +44 1665461 | Allocated |
Quick links
- Calltracks LimitedAll Calltracks Limited ranges
- 01665 AlnwickAll numbers on 01665
- AlnwickMore on Alnwick
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- All range holdersEvery Ofcom-listed provider
- Lookup any UK numberFree reverse phone lookup
FAQs about Calltracks Limited on 01665
Why does Calltracks Limited appear on Alnwick (01665) numbers?
Calltracks Limited is listed in Ofcom's UK Numbering Data feed as the originally-allocated range holder for 2 number blocks on the 01665 dialling code, which covers Alnwick. That allocation pre-dates any individual customer — it simply means Ofcom recognised Calltracks Limited as the wholesale operator entitled to issue those digits when the block was first allocated.
Are calls from a Alnwick Calltracks 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 01665 number into the lookup above to combine the Calltracks Limited range data with a live AI internet check for forum reports, scam databases, and business listings.
Has Calltracks Limited's 01665 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.