UK area code

01583Carradale

The 01583 dialling code covers Carradale in Scotland. Below are the currently-allocated Ofcom number ranges and the Range Holders they are assigned to.

More on the Carradale dialling code →

About the 01583 dialling code

01583 is the UK area code for Carradale and the surrounding Scotland area, listed in Ofcom’s National Telephone Numbering Plan. When a UK landline calls you and the number begins +44 1583 the originating exchange is most likely physically located in or near Carradale. Numbers in this code are allocated to UK communications providers in 1,000- or 10,000-number blocks; the table below shows which Range Holder Ofcom assigned each block to.

This is the same data Ofcom publishes every Wednesday in the public UK Numbering Data feed. We re-ingest the snapshot weekly, so the allocations you see here are at most seven days old. Because UK numbers are portable, the current carrier of any specific number on 01583 can differ from the Range Holder shown — see Range Holder vs current provider for the full explanation.

To identify a specific 01583 number, paste it into the lookup form above. You will see the Range Holder, the allocation status, the area-code metadata for Carradale, and a live AI internet check summarising any public web reports about that exact number — useful when an unfamiliar 01583 caller turns out to be a legitimate local business, a national contact-centre, or a scam.

The 01583 code uses standard UK landline call charging: from a UK landline or mobile, the call is billed at the rate set by the caller’s own provider, with most consumer tariffs bundling UK-to-UK landline minutes into a monthly inclusive allowance. It is a geographic number under the Ofcom numbering plan, which means the recipient pays nothing to receive the call, and the caller pays a normal landline rate regardless of where in the UK they are dialling from. International callers should drop the leading zero and dial +44 1583 followed by the local number.

01583 numbers can be reached as a UK consumer landline, used by a small business operating from Carradale, allocated to a national contact-centre that wants a Carradale-presenting CLI, or provisioned to a VoIP service whose subscriber lives anywhere in the UK. Because the same code can fan out to such different real-world callers, the dialling code on its own is rarely enough to identify who is calling. The combination of (a) the Ofcom Range Holder for the specific block, (b) the public web reputation surfaced by the AI internet check, and (c) the call’s context (time of day, whether you were expecting a call, what they ask for) is what actually answers who called me from 01583?

01583 by the numbers

The 01583 dialling code currently has 200 allocated number ranges on file across 56 distinct Ofcom Range Holders. The largest holder by allocated block count is Fuse 2 Communications Ltd with 4 ranges, followed by Digital Space Group Limited (2) and Nodemax Limited (2). Numbers in this area are predominantly recorded as Allocated (57% of the visible blocks), with Protected accounting for a further 42%. The allocated prefixes on 01583 run from +44 158300 through +44 1583414, which Ofcom carves into 5 distinct block roots in the table below.

Of those visible blocks, 57% are in active Allocated status; the rest are a mix of Designated (earmarked for a specific use but not yet released), Reserved (held back from the general pool), Quarantined (recently freed and not yet eligible for re-issue), and Free (available for re-allocation). The mix matters when you’re trying to identify a caller: a number sitting inside an Allocated 01583 block is in active service with a UK customer, whereas a number claimed to be from a Designated or Reserved block almost certainly isn’t the genuine origin and points instead at a spoofed CLI worth treating with caution.

By number family, the visible 01583 blocks are mostly geographic (01 / 02) (100%) — a useful sanity check, because a geographic code should be dominated by geographic ranges, and any large non-geographic share would be a sign the block boundaries are worth a closer look.

Best practice when a 01583 call comes in

  • Cross-reference the digits against the Range Holder column below — a call presenting a 01583 CLI that doesn’t reconcile to one of the UK-licensed providers listed is the first amber flag.
  • Treat the prefix as one signal, not the whole story. UK numbers are portable, and any geographic code can be CLI-spoofed through an offshore VoIP gateway, so the 01583 root only narrows the field of likely callers.
  • Paste the exact digits into the lookup form above for a live AI internet check — if a 01583 number has been logged on consumer scam-reporting forums, that surfaces alongside the Range Holder record.
  • If a 01583 caller pressures you for payment details, account credentials or remote-access permission, hang up. Find the official number on the organisation’s website or a recent statement and ring back yourself rather than trusting the incoming CLI.

Range holders on 01583

All allocated ranges on 01583

Ofcom lists 992 ranges under 01583; showing the first 200 below, ordered by prefix.

PrefixStatusRange holder
+44 158300Protected
+44 158300Protected
+44 158301Protected
+44 158301Protected
+44 158302Protected
+44 158302Protected
+44 158303Protected
+44 158303Protected
+44 158304Protected
+44 158304Protected
+44 158305Protected
+44 158305Protected
+44 158306Protected
+44 158306Protected
+44 158307Protected
+44 158307Protected
+44 158308Protected
+44 158308Protected
+44 158309Protected
+44 158309Protected
+44 158310Protected
+44 158310Protected
+44 158311Protected
+44 158311Protected
+44 158312Protected
+44 158312Protected
+44 158313Protected
+44 158313Protected
+44 158314Protected
+44 158314Protected
+44 158315Protected
+44 158315Protected
+44 158316Protected
+44 158316Protected
+44 158317Protected
+44 158317Protected
+44 158318Protected
+44 158318Protected
+44 158319Protected
+44 158319Protected
+44 158320AllocatedDigital Space Group Limited
+44 158320AllocatedDigital Space Group Limited
+44 158321AllocatedNodemax Limited
+44 158321AllocatedNodemax Limited
+44 158322AllocatedNet-Work Internet Ltd
+44 158322AllocatedNet-Work Internet Ltd
+44 158323Protected
+44 158323Protected
+44 1583240AllocatedVoxbone SA
+44 1583240AllocatedVoxbone SA
+44 1583241Protected
+44 1583241Protected
+44 1583242Protected
+44 1583242Protected
+44 1583243Protected
+44 1583243Protected
+44 1583244Protected
+44 1583244Protected
+44 1583245Protected
+44 1583245Protected
+44 1583246Protected
+44 1583246Protected
+44 1583247Protected
+44 1583247Protected
+44 1583248Protected
+44 1583248Protected
+44 1583249Protected
+44 1583249Protected
+44 158325Protected
+44 158325Protected
+44 158326AllocatedSolutios Limited
+44 158326AllocatedSolutios Limited
+44 158327AllocatedServed Up Limited
+44 158327AllocatedServed Up Limited
+44 158328AllocatedMars Communications Limited
+44 158328AllocatedMars Communications Limited
+44 158329AllocatedIPV6 Limited
+44 158329AllocatedIPV6 Limited
+44 158330AllocatedAndrews & Arnold (Numbers) Ltd
+44 158330AllocatedAndrews & Arnold (Numbers) Ltd
+44 158331AllocatedNexus Telecommunications Limited
+44 158331AllocatedNexus Telecommunications Limited
+44 158332AllocatedVectone Mobile Limited
+44 158332AllocatedVectone Mobile Limited
+44 158333AllocatedCFL Communications Ltd
+44 158333AllocatedCFL Communications Ltd
+44 1583340AllocatedDigitech Solutions Global Limited
+44 1583340AllocatedDigitech Solutions Global Limited
+44 1583341AllocatedConvergence Group (wireless) Networks Limited
+44 1583341AllocatedConvergence Group (wireless) Networks Limited
+44 1583342AllocatedVoiceHost Limited
+44 1583342AllocatedVoiceHost Limited
+44 1583343AllocatedSuretec Systems Ltd
+44 1583343AllocatedSuretec Systems Ltd
+44 1583344AllocatedAtomstream Limited
+44 1583344AllocatedAtomstream Limited
+44 1583345AllocatedWindsor Telecom Limited
+44 1583345AllocatedWindsor Telecom Limited
+44 1583346AllocatedTelephone Box Limited
+44 1583346AllocatedTelephone Box Limited
+44 1583347AllocatedInet Telecoms Ltd (Voipfone)
+44 1583347AllocatedInet Telecoms Ltd (Voipfone)
+44 1583348AllocatedGCI Network Solutions Limited
+44 1583348AllocatedGCI Network Solutions Limited
+44 1583349Protected
+44 1583349Protected
+44 158335Protected
+44 158335Protected
+44 1583360AllocatedPhone Co-Op Numbering Limited
+44 1583360AllocatedPhone Co-Op Numbering Limited
+44 1583361Protected
+44 1583361Protected
+44 1583362AllocatedInvosys Limited
+44 1583362AllocatedInvosys Limited
+44 1583363AllocatedINTELLIGENT EXCHANGES LIMITED
+44 1583363AllocatedINTELLIGENT EXCHANGES LIMITED
+44 1583364AllocatedNexbridge Communications Limited
+44 1583364AllocatedNexbridge Communications Limited
+44 1583365Protected
+44 1583365Protected
+44 1583366Protected
+44 1583366Protected
+44 1583367AllocatedInvoco Ltd
+44 1583367AllocatedInvoco Ltd
+44 1583368AllocatedHello Telecom (UK) Limited
+44 1583368AllocatedHello Telecom (UK) Limited
+44 1583369AllocatedBicom Systems EURL
+44 1583369AllocatedBicom Systems EURL
+44 1583370AllocatedContent Guru Limited
+44 1583370AllocatedContent Guru Limited
+44 1583371Protected
+44 1583371Protected
+44 1583372AllocatedKalnet4U Ltd
+44 1583372AllocatedKalnet4U Ltd
+44 1583373AllocatedMinotaur Telecom Limited
+44 1583373AllocatedMinotaur Telecom Limited
+44 1583374AllocatedEVE CONNECT LTD
+44 1583374AllocatedEVE CONNECT LTD
+44 1583375AllocatedYayYay Limited
+44 1583375AllocatedYayYay Limited
+44 1583376AllocatedFuse 2 Communications Ltd
+44 1583376AllocatedFuse 2 Communications Ltd
+44 1583377AllocatedFuse 2 Communications Ltd
+44 1583377AllocatedFuse 2 Communications Ltd
+44 1583378AllocatedRedwood Technologies Ltd
+44 1583378AllocatedRedwood Technologies Ltd
+44 1583379AllocatedXoverX Ltd
+44 1583379AllocatedXoverX Ltd
+44 1583380AllocatedI.T Communications Limited
+44 1583380AllocatedI.T Communications Limited
+44 1583381AllocatedAdepteo Limited
+44 1583381AllocatedAdepteo Limited
+44 1583382AllocatedZapappi Ltd
+44 1583382AllocatedZapappi Ltd
+44 1583383AllocatedColt Technology Services
+44 1583383AllocatedColt Technology Services
+44 1583384AllocatedSky UK Limited
+44 1583384AllocatedSky UK Limited
+44 1583385AllocatedNumber Services Ltd.
+44 1583385AllocatedNumber Services Ltd.
+44 1583386AllocatedDIDWW Ireland Limited
+44 1583386AllocatedDIDWW Ireland Limited
+44 1583387AllocatedAlnitak GmbH
+44 1583387AllocatedAlnitak GmbH
+44 1583388Protected
+44 1583388Protected
+44 1583389AllocatedIP Voice Networks Ltd
+44 1583389AllocatedIP Voice Networks Ltd
+44 1583390AllocatedDial 9 Communications Limited
+44 1583390AllocatedDial 9 Communications Limited
+44 1583391Allocated24 Seven Cloud Communications Ltd
+44 1583391Allocated24 Seven Cloud Communications Ltd
+44 1583392Free
+44 1583392Free
+44 1583393AllocatedMi Telecom Limited
+44 1583393AllocatedMi Telecom Limited
+44 1583394AllocatedVodafone Ltd (C&W)
+44 1583394AllocatedVodafone Ltd (C&W)
+44 1583395AllocatedVOXYONDER NETWORK SERVICES UK LTD
+44 1583395AllocatedVOXYONDER NETWORK SERVICES UK LTD
+44 1583396AllocatedKCOM Group Ltd
+44 1583396AllocatedKCOM Group Ltd
+44 1583397AllocatedBink Networks Ltd
+44 1583397AllocatedBink Networks Ltd
+44 1583398AllocatedBelgacom International Carrier Services SA
+44 1583398AllocatedBelgacom International Carrier Services SA
+44 1583399AllocatedICUK Computing Services Limited
+44 1583399AllocatedICUK Computing Services Limited
+44 158340AllocatedMagrathea Telecommunications Limited
+44 158340AllocatedMagrathea Telecommunications Limited
+44 1583410AllocatedLinear Telecoms Limited
+44 1583410AllocatedLinear Telecoms Limited
+44 1583411Protected
+44 1583411Protected
+44 1583412Protected
+44 1583412Protected
+44 1583413Protected
+44 1583413Protected
+44 1583414Protected
+44 1583414Protected

FAQs about 01583

What does the 01583 area code cover?

01583 is the UK dialling code for Carradale and the wider Scotland area. When you receive a call starting with 01583 from a UK landline, the originating exchange is likely in or near Carradale, although Ofcom number portability means a customer can keep a 01583 number after moving elsewhere in the UK.

Is a 01583 number safe?

Most calls from 01583 are legitimate landlines belonging to local residents, businesses or contact centres operating from the Carradale charging area. Scammers can, however, spoof any UK area code from a VoIP gateway anywhere in the world, so a 01583 prefix alone does not prove the caller is genuinely in Carradale. Use the lookup above to see the Range Holder for the specific number, then read the AI internet check for behavioural reports — the risk score plus public forum reports are stronger evidence than the prefix alone.

How many providers operate 01583 number ranges?

Across the 200 ranges currently visible for 01583, 56 different Ofcom Range Holders are listed. The top allocations on this code are typically held by Openreach (BT), Virgin Media O2, and Sky Telecommunications Services, with additional blocks held by Gamma Telecom, Vonage, and a long tail of regional carriers. The full table further down this page shows every block in turn.

How do I dial a 01583 number from abroad?

Dial your country’s international access prefix (00 from most of Europe, 011 from North America), then 44, then the 01583 number with the leading zero dropped. For example a Carradale 01583 number would be reached as +44 1583-XXX-XXXX. The leading zero used inside the UK is a national-significant prefix and is replaced by the +44 country code when calling internationally.

What's the difference between 01583 and a mobile number?

01583 is a geographic dialling code anchored on Carradale; numbers in this range are landlines (or VoIP services that have been allocated a geographic number). UK mobile numbers all start with 07 and are not tied to any geographic area. Calls from a 01583 landline are charged at the recipient’s standard landline rate; mobile-originated calls have separate inclusive-minute rules in most consumer tariffs.