Range holder · Isle of Mull - Tobermory
Callmonitor Limited in Isle of Mull - Tobermory
01688 numbering ranges allocated by Ofcom
About Callmonitor Limited’s Isle of Mull - Tobermory allocation
When Callmonitor Limited is the range holder for +44 1688 it means Ofcom recorded Callmonitor Limited as the provider entitled to issue numbers from these blocks when they were first allocated under the UK National Telephone Numbering Plan. 1 Isle of Mull - Tobermory-facing block sits against Callmonitor Limited in the current Ofcom snapshot, each of which can carry up to ten thousand individual digits available for assignment to end customers.
Isle of Mull - Tobermory’s Scotland telecoms estate is shaped by Isle of Mull - Tobermory's residential and business catchment: a dense urban exchange typically hosts allocations from several national operators in parallel, which is why you see Callmonitor Limited’s blocks alongside other range holders on the same 01688 code. Local switching capacity, historic Openreach exchange footprints, and Callmonitor Limited’s wholesale routing arrangements all influence which blocks land in Isle of Mull - Tobermory 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 01688 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.
Callmonitor Limited on 01688: by the numbers
- Isle of Mull - Tobermory blocks
- 1
- In active service
- 100%
- Share of 01688
- 0%
- Holders on code
- 76
Of the 1 block Callmonitor Limited runs on the 01688 code, 1 (100%) is 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 Isle of Mull - Tobermory Callmonitor Limited number is likely to be before you even dial it back.
Callmonitor Limited runs 1 of the 1,002 allocated blocks on the 01688 dialling code — roughly 0% of Isle of Mull - Tobermory’s mapped allocation, shared with 75 other range holders. Most are listed as "Allocated", which means the block is currently in active service with a communications provider.
Allocated ranges
Callmonitor Limited blocks on the 01688 (Isle of Mull - Tobermory) dialling code.
| Prefix | Status |
|---|---|
| +44 16881 | Allocated |
Quick links
- Callmonitor LimitedAll Callmonitor Limited ranges
- 01688 Isle of Mull - TobermoryAll numbers on 01688
- Isle of Mull - TobermoryMore on Isle of Mull - Tobermory
- (AQ) LIMITEDAlso allocated on 01688
- 24 Seven Communications LimitedAlso allocated on 01688
- API Telecom LimitedAlso allocated on 01688
- Callmonitor Limited in LondonCallmonitor Limited ranges in London
- All range holdersEvery Ofcom-listed provider
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FAQs about Callmonitor Limited on 01688
Why does Callmonitor Limited appear on Isle of Mull - Tobermory (01688) numbers?
Callmonitor Limited is listed in Ofcom's UK Numbering Data feed as the originally-allocated range holder for 1 number block on the 01688 dialling code, which covers Isle of Mull - Tobermory. That allocation pre-dates any individual customer — it simply means Ofcom recognised Callmonitor Limited as the wholesale operator entitled to issue those digits when the block was first allocated.
Are calls from a Isle of Mull - Tobermory Callmonitor 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 01688 number into the lookup above to combine the Callmonitor Limited range data with a live AI internet check for forum reports, scam databases, and business listings.
Has Callmonitor Limited's 01688 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.