UK area code
01555 area code — Lanark
01555 is Ofcom’s Lanark numbering area, in South Lanarkshire, Scotland. 86 phone companies hold its 114 allocated number blocks. Its numbers are written like 01555 234 567. The nearest other codes are 01899 Biggar (17 km) and 01357 Strathaven (18 km).
01555 at a glance
- Ofcom area name
- Lanark
- Council area
- South Lanarkshire
- Country
- Scotland
- Number format
- 01555 234 567 (4+6)
- Local calls
- Full number recommended
- Current code since
- 1995 (previously 0555)
- Allocated blocks
- 114 of 352 (32%) across 86 providers
- Newest block
- 26 January 2026 (1 in the last 12 months)
Sources: Ofcom numbering data (weekly) and area-code list, Ofcom Numbering Plan, ONS geography.
If a 01555 number called you
No clear pattern in reports for these numbers yet. If a call worried you:
- 1
Call back on a number you trust
If a caller says they're your bank, HMRC, a courier or a council, hang up and ring the organisation on the number from its website or your statement, never the number that called you. Caller ID can be faked.
- 2
Forward it to 7726
On a mobile, copy the caller's number from your recent calls and text it to 7726 (it spells SPAM). Scam texts can be forwarded to 7726 as they are. It's free, and your network uses the reports to investigate and block numbers.
- 3
Stop sales calls
Register your landline and mobile free with the Telephone Preference Service (0345 070 0707). Legitimate UK marketers must check it; calls should drop within 28 days. It won't stop scammers.
- 4
If you lost money or shared details
Call your bank on the number on your card (or 159 to reach most UK banks safely), then report it to Police Scotland on 101. In Scotland fraud goes to Police Scotland rather than Report Fraud.
01555 history and number format
Number format: Numbers on 01555 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01555 234 567.
Before 1995: 01555 took its current form at PhONEday on 16 April 1995, when a "1" was inserted into every UK geographic code — before that the area dialled 0555.
Local dialling: Traditionally not from another 01555 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01555 first always works, and mobiles always need it.
Allocation record: the oldest number block still visible on 01555 was allocated on 15 July 1994, and the most recent on 26 January 2026. 1 block was allocated in the last 12 months — newly-activated ranges with no call history, which is worth knowing when an unfamiliar 01555 number rings (see the weekly numbering changelog for every new allocation.)
Phone companies holding 01555 numbers
Every Ofcom range holder with blocks on 01555, by allocated blocks. The holder is the company Ofcom allocated the block to; a number can since have been ported to another provider (see range holder vs current provider).
| Range holder | Allocated | All blocks | First block | Latest block |
|---|---|---|---|---|
| BT | 14 | 14 | 15 July 1994 | 6 March 2019 |
| Sky UK Limited | 5 | 5 | 2 July 2013 | 12 May 2025 |
| Resilient Limited | 3 | 3 | 18 May 2012 | 18 May 2012 |
| TalkTalk Communications Limited | 3 | 3 | 20 January 2012 | 12 February 2013 |
| Vodafone Ltd (C&W) | 3 | 3 | 5 September 2013 | 16 November 2021 |
| Digital Space Group Limited | 2 | 2 | 14 May 2008 | 15 March 2016 |
| Digitech Solutions Global Limited | 2 | 2 | 27 April 2010 | 25 June 2012 |
| Fuse 2 Communications Ltd | 2 | 2 | 3 July 2017 | 22 January 2024 |
| GCI Network Solutions Limited | 2 | 2 | 2 May 2017 | 20 December 2023 |
| Virgin Media Limited | 2 | 2 | 3 March 2017 | 13 November 2019 |
| (AQ) LIMITED | 1 | 1 | 19 October 2011 | 19 October 2011 |
| 24 Seven Cloud Communications Ltd | 1 | 1 | 17 January 2020 | 17 January 2020 |
| 8x8 Communications UK Limited | 1 | 1 | 30 March 2012 | 30 March 2012 |
| AQL Wholesale Ltd | 1 | 1 | 2 January 2008 | 2 January 2008 |
| Adepteo Limited | 1 | 1 | 13 December 2016 | 13 December 2016 |
| Andrews & Arnold (Numbers) Ltd | 1 | 1 | 19 March 2009 | 19 March 2009 |
| Atomstream Limited | 1 | 1 | 12 May 2010 | 12 May 2010 |
| Barritel Limited | 1 | 1 | 15 August 2006 | 15 August 2006 |
| Bink Networks Ltd | 1 | 1 | 3 April 2023 | 3 April 2023 |
| CFL Communications Ltd | 1 | 1 | 13 July 2009 | 13 July 2009 |
| Calltracks Limited | 1 | 1 | 20 September 2013 | 20 September 2013 |
| Colt Technology Services | 1 | 1 | 4 July 2016 | 4 July 2016 |
| Content Guru Limited | 1 | 1 | 12 October 2012 | 12 October 2012 |
| Convergence Group (wireless) Networks Limited | 1 | 1 | 21 May 2019 | 21 May 2019 |
| DIDWW Ireland Limited | 1 | 1 | 21 January 2019 | 21 January 2019 |
| DRD Communications Limited | 1 | 1 | 3 November 2023 | 3 November 2023 |
| Datazero Ltd | 1 | 1 | 29 April 2019 | 29 April 2019 |
| Dial 9 Communications Limited | 1 | 1 | 10 December 2019 | 10 December 2019 |
| EVE CONNECT LTD | 1 | 1 | 15 June 2022 | 15 June 2022 |
| Flextel Limited | 1 | 1 | 24 October 2005 | 24 October 2005 |
Showing the 30 largest of 86 holders.
Openreach exchanges at Lanark
Exchanges Openreach lists at this location in its copper stop-sell programme, with the date new copper orders stop.
- Lanark WSLAKStop sell 01-Nov-22 · Tranche 6
All number blocks on 01555first 200 of 352, by prefix
| Prefix | Status | Range holder |
|---|---|---|
| +44 155500 | Protected | — |
| +44 155501 | Protected | — |
| +44 155502 | Protected | — |
| +44 155503 | Protected | — |
| +44 155504 | Protected | — |
| +44 155505 | Protected | — |
| +44 155506 | Protected | — |
| +44 155507 | Protected | — |
| +44 155508 | Protected | — |
| +44 155509 | Protected | — |
| +44 155510 | Protected | — |
| +44 155511 | Protected | — |
| +44 155512 | Protected | — |
| +44 155513 | Protected | — |
| +44 155514 | Protected | — |
| +44 155515 | Protected | — |
| +44 155516 | Protected | — |
| +44 155517 | Protected | — |
| +44 155518 | Protected | — |
| +44 155519 | Protected | — |
| +44 155520 | Allocated | (AQ) LIMITED |
| +44 155521 | Allocated | VoIP-Un Limited |
| +44 155522 | Allocated | Net-Work Internet Ltd |
| +44 155523 | Allocated | Nationwide Telephone Assistance Ltd |
| +44 155524 | Allocated | AQL Wholesale Ltd |
| +44 155525 | Allocated | Telecom2 Limited |
| +44 155526 | Allocated | Digital Space Group Limited |
| +44 155527 | Allocated | Nodemax Limited |
| +44 155528 | Allocated | Invade International Ltd |
| +44 155529 | Protected | — |
| +44 1555300 | Allocated | Voxbone SA |
| +44 1555301 | Protected | — |
| +44 1555302 | Protected | — |
| +44 1555303 | Protected | — |
| +44 1555304 | Protected | — |
| +44 1555305 | Protected | — |
| +44 1555306 | Protected | — |
| +44 1555307 | Protected | — |
| +44 1555308 | Protected | — |
| +44 1555309 | Protected | — |
| +44 155531 | Protected | — |
| +44 155532 | Allocated | Solutios Limited |
| +44 1555330 | Protected | — |
| +44 1555331 | Protected | — |
| +44 1555332 | Protected | — |
| +44 1555333 | Protected | — |
| +44 1555334 | Protected | — |
| +44 1555335 | Protected | — |
| +44 1555336 | Protected | — |
| +44 1555337 | Allocated | Digital Space Group Limited |
| +44 1555338 | Protected | — |
| +44 1555339 | Protected | — |
| +44 155534 | Quarantined | — |
| +44 155535 | Allocated | Mars Communications Limited |
| +44 155536 | Allocated | Andrews & Arnold (Numbers) Ltd |
| +44 155537 | Allocated | Vodafone Ltd (C&W) |
| +44 155538 | Allocated | Nexus Telecommunications Limited |
| +44 155539 | Quarantined | — |
| +44 155540 | Allocated | CFL Communications Ltd |
| +44 155541 | Protected | — |
| +44 155542 | Protected | — |
| +44 1555430 | Allocated | Digitech Solutions Global Limited |
| +44 1555431 | Allocated | Calltracks Limited |
| +44 1555432 | Allocated | Telappliant Limited |
| +44 1555433 | Allocated | Atomstream Limited |
| +44 1555434 | Allocated | Suretec Systems Ltd |
| +44 1555435 | Allocated | Windsor Telecom Limited |
| +44 1555436 | Allocated | TGL Services (UK) Ltd |
| +44 1555437 | Allocated | Inet Telecoms Ltd (Voipfone) |
| +44 1555438 | Allocated | VoiceHost Limited |
| +44 1555439 | Allocated | Telephone Box Limited |
| +44 1555440 | Protected | — |
| +44 1555441 | Allocated | Phone Co-Op Numbering Limited |
| +44 1555442 | Allocated | GCI Network Solutions Limited |
| +44 1555443 | Protected | — |
| +44 1555444 | Allocated | Invosys Limited |
| +44 1555445 | Allocated | Sky UK Limited |
| +44 1555446 | Allocated | INTELLIGENT EXCHANGES LIMITED |
| +44 1555447 | Allocated | Nexbridge Communications Limited |
| +44 1555448 | Protected | — |
| +44 1555449 | Allocated | Internexus Networks Limited |
| +44 1555450 | Allocated | TalkTalk Communications Limited |
| +44 1555451 | Allocated | Hello Telecom (UK) Limited |
| +44 1555452 | Allocated | 8x8 Communications UK Limited |
| +44 1555453 | Protected | — |
| +44 1555454 | Allocated | Invoco Ltd |
| +44 1555455 | Protected | — |
| +44 1555456 | Allocated | ICC Networks Ltd |
| +44 1555457 | Allocated | IOVOX Limited |
| +44 1555458 | Allocated | Orbtalk Limited |
| +44 1555459 | Allocated | Ziron Limited |
| +44 1555460 | Protected | — |
| +44 1555461 | Protected | — |
| +44 1555462 | Allocated | Media Hawk Ltd |
| +44 1555463 | Allocated | Sky UK Limited |
| +44 1555464 | Allocated | Minotaur Telecom Limited |
| +44 1555465 | Allocated | Content Guru Limited |
| +44 1555466 | Allocated | Datazero Ltd |
| +44 1555467 | Allocated | Simwood eSMS Limited |
| +44 1555468 | Allocated | Kalnet4U Ltd |
| +44 1555469 | Allocated | XoverX Ltd |
| +44 1555470 | Allocated | Nuso Cloud UK Limited |
| +44 1555471 | Allocated | Convergence Group (wireless) Networks Limited |
| +44 1555472 | Protected | — |
| +44 1555473 | Protected | — |
| +44 1555474 | Allocated | Fuse 2 Communications Ltd |
| +44 1555475 | Allocated | YayYay Limited |
| +44 1555476 | Allocated | Colt Technology Services |
| +44 1555477 | Allocated | Redwood Technologies Ltd |
| +44 1555478 | Allocated | Sky UK Limited |
| +44 1555479 | Allocated | DIDWW Ireland Limited |
| +44 1555480 | Allocated | Adepteo Limited |
| +44 1555481 | Allocated | Virgin Media Limited |
| +44 1555482 | Allocated | Zapappi Ltd |
| +44 1555483 | Allocated | Mintaka Limited |
| +44 1555484 | Allocated | I.T Communications Limited |
| +44 1555485 | Allocated | Number Services Ltd. |
| +44 1555486 | Allocated | EVE CONNECT LTD |
| +44 1555487 | Allocated | IP Voice Networks Ltd |
| +44 1555488 | Protected | — |
| +44 1555489 | Allocated | Fuse 2 Communications Ltd |
| +44 1555490 | Allocated | Sky UK Limited |
| +44 1555491 | Free | — |
| +44 1555492 | Free | — |
| +44 1555493 | Free | — |
| +44 1555494 | Allocated | KCOM Group Ltd |
| +44 1555495 | Free | — |
| +44 1555496 | Free | — |
| +44 1555497 | Free | — |
| +44 1555498 | Free | — |
| +44 1555499 | Allocated | Bink Networks Ltd |
| +44 155550 | Allocated | Served Up Limited |
| +44 1555510 | Allocated | Linear Telecoms Limited |
| +44 1555511 | Free | — |
| +44 1555512 | Free | — |
| +44 1555513 | Free | — |
| +44 1555514 | Free | — |
| +44 1555515 | Free | — |
| +44 1555516 | Free | — |
| +44 1555517 | Free | — |
| +44 1555518 | Free | — |
| +44 1555519 | Free | — |
| +44 155552 | Allocated | Flextel Limited |
| +44 1555530 | Allocated | Dial 9 Communications Limited |
| +44 1555531 | Allocated | Virgin Media Limited |
| +44 1555532 | Allocated | 24 Seven Cloud Communications Ltd |
| +44 1555533 | Allocated | ICUK Computing Services Limited |
| +44 1555534 | Allocated | SiPalto Ltd |
| +44 1555535 | Allocated | BT |
| +44 1555536 | Allocated | VOXYONDER NETWORK SERVICES UK LTD |
| +44 1555537 | Allocated | Sky UK Limited |
| +44 1555538 | Free | — |
| +44 1555539 | Free | — |
| +44 155554 | Allocated | GCI Network Solutions Limited |
| +44 155555 | Allocated | BT |
| +44 155556 | Allocated | Vodafone Ltd (C&W) |
| +44 1555570 | Protected | — |
| +44 1555571 | Protected | — |
| +44 1555572 | Protected | — |
| +44 1555573 | Protected | — |
| +44 1555574 | Protected | — |
| +44 1555575 | Protected | — |
| +44 1555576 | Protected | — |
| +44 1555577 | Protected | — |
| +44 1555578 | Protected | — |
| +44 1555579 | Protected | — |
| +44 1555580 | Allocated | Digitech Solutions Global Limited |
| +44 1555581 | Protected | — |
| +44 1555582 | Protected | — |
| +44 1555583 | Protected | — |
| +44 1555584 | Protected | — |
| +44 1555585 | Protected | — |
| +44 1555586 | Protected | — |
| +44 1555587 | Protected | — |
| +44 1555588 | Protected | — |
| +44 1555589 | Protected | — |
| +44 1555590 | Protected | — |
| +44 1555591 | Allocated | DRD Communications Limited |
| +44 1555592 | Protected | — |
| +44 1555593 | Protected | — |
| +44 1555594 | Protected | — |
| +44 1555595 | Protected | — |
| +44 1555596 | Protected | — |
| +44 1555597 | Protected | — |
| +44 1555598 | Protected | — |
| +44 1555599 | Protected | — |
| +44 1555600 | Protected | — |
| +44 1555601 | Protected | — |
| +44 1555602 | Protected | — |
| +44 1555603 | Protected | — |
| +44 1555604 | Protected | — |
| +44 1555605 | Protected | — |
| +44 1555606 | Protected | — |
| +44 1555607 | Protected | — |
| +44 1555608 | Protected | — |
| +44 1555609 | Protected | — |
| +44 155561 | Allocated | TelNG Limited |
| +44 155562 | Allocated | TTNC Limited |
| +44 1555630 | Protected | — |
| +44 1555631 | Protected | — |
Related lookups
- 01899 Biggar17 km away
- 01357 Strathaven18 km away
- 01698 Motherwell19 km away
- 01501 Harthill21 km away
- BT14 allocated blocks on 01555
- Sky UK Limited5 allocated blocks on 01555
- Resilient Limited3 allocated blocks on 01555
- All UK towns A–ZDialling codes by town
- More Scotland codesSame region
- All UK area codesBrowse every 01/02 dialling code
- Lookup any UK numberFree reverse phone lookup
- UK area codes explainedCornerstone guide
- 020 London numbers explainedCornerstone guide
- 0330 numbers explainedCornerstone guide
- How Ofcom allocates UK phone numbersCornerstone guide
FAQs about 01555
Where is area code 01555?
01555 is Ofcom's Lanark numbering area, in South Lanarkshire, Scotland. Its exchange town is in South Lanarkshire. From abroad, drop the 0 and dial +44 1555.
Do I need to dial 01555 for a local call?
Traditionally not from another 01555 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01555 first always works, and mobiles always need it.
How are 01555 numbers written?
Numbers on 01555 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01555 234 567. From abroad the leading zero is dropped: +44 1555 then the local number.
What was the 01555 area code before?
01555 took its current form at PhONEday on 16 April 1995, when a "1" was inserted into every UK geographic code — before that the area dialled 0555. Old signage or stationery showing 0555 refers to the same Lanark numbers.
Which phone companies hold 01555 numbers?
Ofcom lists 86 providers with allocated blocks on 01555. The largest are BT with 14 of the 114 allocated blocks, Sky UK Limited with 5 of the 114 allocated blocks and Resilient Limited with 3 of the 114 allocated blocks. Numbers can be ported, so a number's current provider may differ from the block's holder.
Which area codes are next to 01555?
By distance between exchange towns, the nearest other codes are 01899 Biggar (17 km), 01357 Strathaven (18 km), 01698 Motherwell (19 km) and 01501 Harthill (21 km).
How do I report a scam call from a 01555 number?
On a mobile, text the caller's number to 7726 (free). If you lost money or shared details, call your bank and report it to Police Scotland on 101. Unwanted sales calls go to the ICO after registering with the Telephone Preference Service.