01554 Area Code — Llanelli, Gorseinon & Burry Port
01554 is the UK dialling code for Llanelli in Carmarthenshire, also serving Gorseinon, Burry Port and Pontarddulais, allocated by Ofcom under the National Telephone Numbering Plan. Our database has tracked 71 distinct 01554 numbers across 86 public lookups.
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Quick facts
Area code
01554
Location
Llanelli
County
Carmarthenshire
Region
Wales
Number type
Geographic landline
Number format
01554 XXX XXX
Operators serving
8+
Call cost
Standard rate
About the 01554 dialling code
01554 is the UK geographic dialling code for Llanelli, allocated by Ofcom under the National Telephone Numbering Plan. It is used by landlines — and increasingly VoIP lines — registered to the Llanelli area.
A full Llanelli number is normally written as 01554 XXXXXX. You can dial the local part on its own from within the same area, or the full number from anywhere in the UK.
Because of UK number portability and internet calling, a 01554 number no longer guarantees the caller is physically in Llanelli. Fraudsters also "spoof" local codes like 01554 so an unknown call looks like a nearby business or neighbour — so treat an unexpected call on what is actually said, not on the area code alone.
Map of the 01554 dialling area
The marker shows Llanelli; the shaded circle is an approximate indication of the area the 01554 code serves — exact Ofcom charging-area boundaries are irregular and don't follow a neat radius.
Map data © OpenStreetMap contributors. View larger map
Areas typically served by 01554
Settlements in and around the Llanelli dialling area that typically use 01554 numbers. Approximate — Ofcom charging-area boundaries don't follow town or county lines exactly, and properties near a boundary may take a neighbouring code.
Calling 01554 from abroad
From outside the UK, dial your international access prefix, then the UK country code 44, then 1554 (the area code without its leading zero) and the local number.
| Calling from | Dial |
|---|---|
| United States & Canada | 011 44 1554 … |
| Europe / most of the world | 00 44 1554 … |
| Australia | 0011 44 1554 … |
| Any mobile phone | +44 1554 … |
History of the 01554 code
The code was 0554 until PhONEday, 16 April 1995, when a "1" was inserted after the leading zero to create 01554.
In the letter-dialling era the code had the mnemonic LL4 — on an old rotary dial, the letters LL (from Llanelli) sat on the same holes as the digits 554, so subscribers literally dialled the start of the town's name.
Top searched 01554 numbers
These are the 01554 numbers most-looked-up by visitors to our number checker. Click any number to see its full lookup page with risk-level, range holder, and community reports.
| Number | Searches | Last looked up |
|---|---|---|
| 01554 857552 | 7 | 8 Jul 2026 |
| 01554 227986 | 4 | 24 Jun 2026 |
| 01554 779946 | 3 | 6 Jul 2026 |
| 01554 227981 | 2 | 6 Jul 2026 |
| 01554 600166 | 2 | 26 Jun 2026 |
| 01554 783204 | 2 | 12 Jun 2026 |
| 01554 830993 | 2 | 18 May 2026 |
| 01554 701300 | 1 | 30 Jun 2026 |
| 01554 227960 | 1 | 29 Jun 2026 |
| 01554 227967 | 1 | 29 Jun 2026 |
| 01554 820079 | 1 | 29 Jun 2026 |
| 01554 227958 | 1 | 29 Jun 2026 |
| 01554 228007 | 1 | 28 Jun 2026 |
| 01554 600168 | 1 | 28 Jun 2026 |
| 01554 228009 | 1 | 28 Jun 2026 |
| 01554 228010 | 1 | 28 Jun 2026 |
| 01554 600164 | 1 | 28 Jun 2026 |
| 01554 820075 | 1 | 28 Jun 2026 |
| 01554 228014 | 1 | 28 Jun 2026 |
| 01554 820073 | 1 | 28 Jun 2026 |
Is a call from 01554 safe?
Most 01554 calls are ordinary local calls from Llanelli homes and businesses. The main risk to be aware of is "neighbour spoofing", where a scammer fakes a local 01554 prefix so you are more likely to answer. Never share bank details, passwords or one-time security codes with an unexpected caller, even when the number looks local — hang up and call the organisation back on a number you have verified yourself.
To call a 01554 (Llanelli) number from outside the UK, drop the leading zero and dial +44 1554 followed by the local number.
Operators serving Llanelli
These UK communications providers have been allocated 01554 number blocks by Ofcom. The number of blocks per operator gives a rough sense of how widely each provider serves this area.
| Provider (Ofcom-allocated) | Allocated blocks |
|---|---|
| BT | 10 |
| Virgin Media Limited | 7 |
| TalkTalk Communications Limited | 5 |
| Gamma Telecom Holdings Limited | 2 |
| Fuse 2 Communications Ltd | 2 |
| GCI Network Solutions Limited | 2 |
| Digitech Solutions Global Limited | 2 |
| Digital Space Group Limited | 2 |
Ofcom number ranges on 01554
Ofcom's National Numbering Plan lists 379 number blocks under 01554, of which 114 are allocated to 89 communications providers. The first allocated blocks are shown below — look up any full number with the number checker to see its exact range holder.
| Number block | Status | Range holder (Ofcom-allocated) |
|---|---|---|
0155421… | Allocated | TelNG Limited |
01554227… | Allocated | TalkTalk Communications Limited |
01554228… | Allocated | TalkTalk Communications Limited |
01554229… | Allocated | TalkTalk Communications Limited |
0155423… | Allocated | Redcentric Solutions Limited |
0155424… | Allocated | Localphone Limited |
0155425… | Allocated | Voiceflex Limited |
0155426… | Allocated | (AQ) LIMITED |
0155427… | Allocated | VoIP-Un Limited |
0155429… | Allocated | AQL Wholesale Ltd |
01554307… | Allocated | Digital Space Group Limited |
0155431… | Allocated | Telecom2 Limited |
Showing 12 of 114 allocated blocks. Source: Ofcom telephone numbering data, updated weekly.
How to block and report 01554 spam calls
Block or report 01554
- You can block 01554 directly from your recent-calls list on iPhone or Android, and forward scam texts free to 7726.
- Scam or fraud calls should be reported to Action Fraud (0300 123 2040) or Police Scotland (101); persistent marketing calls to the ICO / TPS.
Full step-by-step instructions for every phone, network-level blocking and all UK reporting routes are in our guide: How to block and report unwanted calls in the UK.
How to stop unwanted calls for good
Blocking 01554 numbers stops that one number, but determined nuisance callers simply switch numbers. Silencing unknown callers, enabling your network's free spam shield and registering with the TPS cut the volume across the board — our canonical guide walks through each step: How to block and report unwanted calls in the UK.
Frequently asked questions about the 01554 code
Where is the 01554 area code?
The 01554 area code is allocated by Ofcom to Llanelli in Carmarthenshire, United Kingdom. It is a geographic UK landline dialling code under the National Telephone Numbering Plan. The surrounding dialling area also takes in Gorseinon, Burry Port, Pontarddulais and nearby villages.
Is 01554 always a Llanelli number?
Numbers with the 01554 prefix were originally allocated by Ofcom to Llanelli. With UK number portability and VoIP allowing geographic relocation while keeping the same number, the call origin can differ from the original area, but the prefix's official assigned location remains Llanelli.
How do I block 01554 spam calls?
On iPhone, tap the (i) next to the number in Recents and choose Block this Caller. On Android, long-press the number in Recents and choose Block. To prevent unknown 01554 numbers ringing, enable Settings → Phone → Silence Unknown Callers (iPhone) or your dialler's spam filter (Android). Forward spam texts to 7726 free of charge.
How much does a 01554 call cost?
Calls to UK 01554 geographic numbers are charged at your provider's standard rate and are usually included in inclusive minutes on any modern landline or mobile plan.
Neighbouring dialling codes
Codes covering areas around Llanelli — useful when a caller is nearby but outside the 01554 boundary.
Living in or moving to Llanelli?
Our free postcode reports cover house prices, crime, broadband and schools for the districts around Llanelli.
Check another UK number
Have the full 10- or 11-digit number? The UK Phone Number Checker shows the Ofcom range holder, risk level, and any community reports for that specific number.