UK area code
01545 area code — Llanarth
01545 is Ofcom’s Llanarth numbering area, in Ceredigion, Wales. 81 phone companies hold its 86 allocated number blocks. Its numbers are written like 01545 234 567. The nearest other codes are 01974 Llanon (13 km) and 01559 Llandysul (17 km).
01545 at a glance
- Ofcom area name
- Llanarth
- Council area
- Ceredigion
- Country
- Wales
- Number format
- 01545 234 567 (4+6)
- Local calls
- Full number recommended
- Current code since
- 1995 (previously 0545)
- Allocated blocks
- 86 of 451 (19%) across 81 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 01545 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 Report Fraud online or on 0300 123 2040. Report Fraud replaced Action Fraud on 4 December 2025 for England, Wales and Northern Ireland; in Scotland call Police Scotland on 101.
01545 history and number format
Number format: Numbers on 01545 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01545 234 567.
Before 1995: 01545 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 0545.
Local dialling: Traditionally not from another 01545 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01545 first always works, and mobiles always need it.
Allocation record: the oldest number block still visible on 01545 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 01545 number rings (see the weekly numbering changelog for every new allocation.)
Phone companies holding 01545 numbers
Every Ofcom range holder with blocks on 01545, 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 | 4 | 4 | 15 July 1994 | 15 July 1994 |
| GCI Network Solutions Limited | 2 | 2 | 2 May 2017 | 20 December 2023 |
| TalkTalk Communications Limited | 2 | 2 | 20 January 2012 | 20 January 2012 |
| (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 | 21 December 2016 | 21 December 2016 |
| Andrews & Arnold (Numbers) Ltd | 1 | 1 | 19 March 2009 | 19 March 2009 |
| Atomstream Limited | 1 | 1 | 14 May 2010 | 14 May 2010 |
| Barritel Limited | 1 | 1 | 17 August 2006 | 17 August 2006 |
| Bicom Systems EURL | 1 | 1 | 2 March 2012 | 2 March 2012 |
| Bink Networks Ltd | 1 | 1 | 3 April 2023 | 3 April 2023 |
| CFL Communications Ltd | 1 | 1 | 13 July 2009 | 13 July 2009 |
| Colt Technology Services | 1 | 1 | 18 July 2016 | 18 July 2016 |
| Content Guru Limited | 1 | 1 | 12 October 2012 | 12 October 2012 |
| Dial 9 Communications Limited | 1 | 1 | 13 January 2020 | 13 January 2020 |
| Digital Space Group Limited | 1 | 1 | 30 April 2008 | 30 April 2008 |
| Digitech Solutions Global Limited | 1 | 1 | 27 April 2010 | 27 April 2010 |
| EVE CONNECT LTD | 1 | 1 | 15 June 2022 | 15 June 2022 |
| Flextel Limited | 1 | 1 | 24 October 2005 | 24 October 2005 |
| Fuse 2 Communications Ltd | 1 | 1 | 22 January 2024 | 22 January 2024 |
| Gamma Telecom Holdings Limited | 1 | 1 | 10 May 2005 | 10 May 2005 |
| Hello Telecom (UK) Limited | 1 | 1 | 10 November 2011 | 10 November 2011 |
| I.T Communications Limited | 1 | 1 | 25 April 2017 | 25 April 2017 |
| ICC Networks Ltd | 1 | 1 | 17 April 2012 | 17 April 2012 |
| ICUK Computing Services Limited | 1 | 1 | 17 June 2020 | 17 June 2020 |
| INTELLIGENT EXCHANGES LIMITED | 1 | 1 | 26 January 2026 | 26 January 2026 |
| IOVOX Limited | 1 | 1 | 3 July 2012 | 3 July 2012 |
| IP Voice Networks Ltd | 1 | 1 | 20 September 2017 | 20 September 2017 |
Showing the 30 largest of 81 holders.
All number blocks on 01545first 200 of 451, by prefix
| Prefix | Status | Range holder |
|---|---|---|
| +44 154500 | Protected | — |
| +44 154501 | Protected | — |
| +44 154502 | Protected | — |
| +44 154503 | Protected | — |
| +44 154504 | Protected | — |
| +44 154505 | Protected | — |
| +44 154506 | Protected | — |
| +44 154507 | Protected | — |
| +44 154508 | Protected | — |
| +44 154509 | Protected | — |
| +44 154510 | Protected | — |
| +44 154511 | Protected | — |
| +44 154512 | Protected | — |
| +44 154513 | Protected | — |
| +44 154514 | Protected | — |
| +44 154515 | Protected | — |
| +44 154516 | Protected | — |
| +44 154517 | Protected | — |
| +44 154518 | Protected | — |
| +44 154519 | Protected | — |
| +44 1545200 | Protected | — |
| +44 1545201 | Protected | — |
| +44 1545202 | Protected | — |
| +44 1545203 | Protected | — |
| +44 1545204 | Protected | — |
| +44 1545205 | Protected | — |
| +44 1545206 | Protected | — |
| +44 1545207 | Protected | — |
| +44 1545208 | Protected | — |
| +44 1545209 | Protected | — |
| +44 1545210 | Protected | — |
| +44 1545211 | Protected | — |
| +44 1545212 | Protected | — |
| +44 1545213 | Protected | — |
| +44 1545214 | Protected | — |
| +44 1545215 | Protected | — |
| +44 1545216 | Protected | — |
| +44 1545217 | Protected | — |
| +44 1545218 | Protected | — |
| +44 1545219 | Protected | — |
| +44 154522 | Allocated | TelNG Limited |
| +44 1545230 | Protected | — |
| +44 1545231 | Protected | — |
| +44 1545232 | Protected | — |
| +44 1545233 | Protected | — |
| +44 1545234 | Protected | — |
| +44 1545235 | Protected | — |
| +44 1545236 | Protected | — |
| +44 1545237 | Protected | — |
| +44 1545238 | Allocated | TalkTalk Communications Limited |
| +44 1545239 | Allocated | TalkTalk Communications Limited |
| +44 154524 | Allocated | TTNC Limited |
| +44 154525 | Allocated | Localphone Limited |
| +44 154526 | Allocated | Redcentric Solutions Limited |
| +44 1545270 | Protected | — |
| +44 1545271 | Protected | — |
| +44 1545272 | Protected | — |
| +44 1545273 | Protected | — |
| +44 1545274 | Protected | — |
| +44 1545275 | Protected | — |
| +44 1545276 | Protected | — |
| +44 1545277 | Allocated | Spitfire Network Services Limited |
| +44 1545278 | Protected | — |
| +44 1545279 | Protected | — |
| +44 154528 | Protected | — |
| +44 154529 | Allocated | Voiceflex Limited |
| +44 154530 | Allocated | AQL Wholesale Ltd |
| +44 154531 | Allocated | Telecom2 Limited |
| +44 154532 | Allocated | Digital Space Group Limited |
| +44 154533 | Allocated | Net-Work Internet Ltd |
| +44 154534 | Allocated | Nodemax Limited |
| +44 154535 | Protected | — |
| +44 1545360 | Allocated | Voxbone SA |
| +44 1545361 | Protected | — |
| +44 1545362 | Protected | — |
| +44 1545363 | Protected | — |
| +44 1545364 | Protected | — |
| +44 1545365 | Protected | — |
| +44 1545366 | Protected | — |
| +44 1545367 | Protected | — |
| +44 1545368 | Protected | — |
| +44 1545369 | Protected | — |
| +44 154537 | Allocated | VoIP-Un Limited |
| +44 154538 | Allocated | (AQ) LIMITED |
| +44 154539 | Allocated | Nationwide Telephone Assistance Ltd |
| +44 154540 | Protected | — |
| +44 154541 | Allocated | Solutios Limited |
| +44 154542 | Allocated | Mars Communications Limited |
| +44 154543 | Quarantined | — |
| +44 154544 | Allocated | Telecoms World Limited |
| +44 154545 | Allocated | Andrews & Arnold (Numbers) Ltd |
| +44 154546 | Allocated | Nexus Telecommunications Limited |
| +44 154547 | Quarantined | — |
| +44 154548 | Protected | — |
| +44 1545490 | Allocated | TelXL Limited |
| +44 1545491 | Allocated | Digitech Solutions Global Limited |
| +44 1545492 | Allocated | M247 Ltd |
| +44 1545493 | Allocated | GCI Network Solutions Limited |
| +44 1545494 | Allocated | Suretec Systems Ltd |
| +44 1545495 | Allocated | Telappliant Limited |
| +44 1545496 | Allocated | VoiceHost Limited |
| +44 1545497 | Allocated | Inet Telecoms Ltd (Voipfone) |
| +44 1545498 | Allocated | Atomstream Limited |
| +44 1545499 | Allocated | Windsor Telecom Limited |
| +44 154550 | Allocated | Vodafone Ltd (C&W) |
| +44 1545510 | Allocated | Linear Telecoms Limited |
| +44 1545511 | Protected | — |
| +44 1545512 | Allocated | Invoco Ltd |
| +44 1545513 | Allocated | Hello Telecom (UK) Limited |
| +44 1545514 | Allocated | Internexus Networks Limited |
| +44 1545515 | Protected | — |
| +44 1545516 | Allocated | 8x8 Communications UK Limited |
| +44 1545517 | Allocated | Orbtalk Limited |
| +44 1545518 | Allocated | Bicom Systems EURL |
| +44 1545519 | Allocated | ICC Networks Ltd |
| +44 154552 | Protected | — |
| +44 154553 | Allocated | GCI Network Solutions Limited |
| +44 154554 | Protected | — |
| +44 154555 | Allocated | Magrathea Telecommunications Limited |
| +44 154556 | Allocated | BT |
| +44 154557 | Allocated | BT |
| +44 154558 | Allocated | BT |
| +44 154559 | Allocated | BT |
| +44 154560 | Allocated | CFL Communications Ltd |
| +44 154561 | Protected | — |
| +44 1545620 | Allocated | Telephone Box Limited |
| +44 1545621 | Protected | — |
| +44 1545622 | Protected | — |
| +44 1545623 | Allocated | Invosys Limited |
| +44 1545624 | Allocated | Nexbridge Communications Limited |
| +44 1545625 | Allocated | INTELLIGENT EXCHANGES LIMITED |
| +44 1545626 | Allocated | Phone Co-Op Numbering Limited |
| +44 1545627 | Protected | — |
| +44 1545628 | Allocated | Zapappi Ltd |
| +44 1545629 | Allocated | IP Voice Networks Ltd |
| +44 1545630 | Allocated | IOVOX Limited |
| +44 1545631 | Allocated | Ziron Limited |
| +44 1545632 | Allocated | Content Guru Limited |
| +44 1545633 | Protected | — |
| +44 1545634 | Allocated | Kalnet4U Ltd |
| +44 1545635 | Allocated | Minotaur Telecom Limited |
| +44 1545636 | Allocated | Simwood eSMS Limited |
| +44 1545637 | Allocated | Fuse 2 Communications Ltd |
| +44 1545638 | Allocated | Nuso Cloud UK Limited |
| +44 1545639 | Allocated | XoverX Ltd |
| +44 1545640 | Protected | — |
| +44 1545641 | Allocated | Adepteo Limited |
| +44 1545642 | Allocated | Colt Technology Services |
| +44 1545643 | Allocated | I.T Communications Limited |
| +44 1545644 | Allocated | Redwood Technologies Ltd |
| +44 1545645 | Allocated | YayYay Limited |
| +44 1545646 | Allocated | Mintaka Limited |
| +44 1545647 | Allocated | EVE CONNECT LTD |
| +44 1545648 | Allocated | Number Services Ltd. |
| +44 1545649 | Allocated | Sky UK Limited |
| +44 1545650 | Allocated | Dial 9 Communications Limited |
| +44 1545651 | Allocated | 24 Seven Cloud Communications Ltd |
| +44 1545652 | Free | — |
| +44 1545653 | Free | — |
| +44 1545654 | Free | — |
| +44 1545655 | Allocated | Bink Networks Ltd |
| +44 1545656 | Allocated | VOXYONDER NETWORK SERVICES UK LTD |
| +44 1545657 | Free | — |
| +44 1545658 | Free | — |
| +44 1545659 | Free | — |
| +44 1545660 | Free | — |
| +44 1545661 | Free | — |
| +44 1545662 | Allocated | SiPalto Ltd |
| +44 1545663 | Allocated | KCOM Group Ltd |
| +44 1545664 | Free | — |
| +44 1545665 | Allocated | ICUK Computing Services Limited |
| +44 1545666 | Allocated | Mi Telecom Limited |
| +44 1545667 | Free | — |
| +44 1545668 | Free | — |
| +44 1545669 | Free | — |
| +44 1545670 | Protected | — |
| +44 1545671 | Protected | — |
| +44 1545672 | Protected | — |
| +44 1545673 | Protected | — |
| +44 1545674 | Protected | — |
| +44 1545675 | Protected | — |
| +44 1545676 | Protected | — |
| +44 1545677 | Protected | — |
| +44 1545678 | Protected | — |
| +44 1545679 | Protected | — |
| +44 1545680 | Protected | — |
| +44 1545681 | Protected | — |
| +44 1545682 | Protected | — |
| +44 1545683 | Protected | — |
| +44 1545684 | Protected | — |
| +44 1545685 | Protected | — |
| +44 1545686 | Protected | — |
| +44 1545687 | Protected | — |
| +44 1545688 | Protected | — |
| +44 1545689 | Protected | — |
| +44 1545690 | Protected | — |
| +44 1545691 | Protected | — |
| +44 1545692 | Protected | — |
| +44 1545693 | Protected | — |
| +44 1545694 | Protected | — |
Related lookups
- 01974 Llanon13 km away
- 01559 Llandysul17 km away
- 01570 Lampeter18 km away
- 01239 Cardigan27 km away
- BT4 allocated blocks on 01545
- GCI Network Solutions Limited2 allocated blocks on 01545
- TalkTalk Communications Limited2 allocated blocks on 01545
- All UK towns A–ZDialling codes by town
- More Wales 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 01545
Where is area code 01545?
01545 is Ofcom's Llanarth numbering area, in Ceredigion, Wales. Its exchange town is in Ceredigion. From abroad, drop the 0 and dial +44 1545.
Do I need to dial 01545 for a local call?
Traditionally not from another 01545 landline, but it now depends on your provider: Ofcom stopped requiring providers to offer local (code-free) dialling on 11 March 2022. Dialling 01545 first always works, and mobiles always need it.
How are 01545 numbers written?
Numbers on 01545 use Ofcom's 4+6 format: the 5-digit code (including the leading 0) followed by a 6-digit local number — written like 01545 234 567. From abroad the leading zero is dropped: +44 1545 then the local number.
What was the 01545 area code before?
01545 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 0545. Old signage or stationery showing 0545 refers to the same Llanarth numbers.
Which phone companies hold 01545 numbers?
Ofcom lists 81 providers with allocated blocks on 01545. The largest are BT with 4 of the 86 allocated blocks, GCI Network Solutions Limited with 2 of the 86 allocated blocks and TalkTalk Communications Limited with 2 of the 86 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 01545?
By distance between exchange towns, the nearest other codes are 01974 Llanon (13 km), 01559 Llandysul (17 km), 01570 Lampeter (18 km) and 01239 Cardigan (27 km).
How do I report a scam call from a 01545 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 Report Fraud (0300 123 2040), which replaced Action Fraud in December 2025. Unwanted sales calls go to the ICO after registering with the Telephone Preference Service.