Local authority district
Carmarthenshire
Sir Gaerfyrddin
W06000010
This page groups current postcode coverage with source-backed Census, recorded sale and school counts. It is an official area summary, not a boundary or service-eligibility check.
Area summary
- Active postcodes
- 6,733
- Postcode districts
- 22
- Five-year recorded sales
- 14,086
- Open schools at matching postcodes
- 119
- Census 2021 residents
- 187,884
- Census 2021 households
- 81,706
- Mean postcode coordinate
- 51.82738, -4.17100
Quality-approved postcode districts
- SA151,015 active postcodes
- SA14886 active postcodes
- SA19826 active postcodes
- SA18653 active postcodes
- SA33642 active postcodes
- SA31580 active postcodes
- SA17429 active postcodes
- SA32399 active postcodes
- SA16261 active postcodes
- SA20237 active postcodes
- SA34201 active postcodes
- SA44141 active postcodes
- SA38112 active postcodes
- SA39104 active postcodes
- SA491 active postcodes
- SA4056 active postcodes
- SA4845 active postcodes
- SA933 active postcodes
- SA6615 active postcodes
- SA353 active postcodes
- SA671 active postcodes
Related official areas
- Electoral wardCarmarthen Town North and SouthW05001183 · 349 postcodes
- Electoral wardCilycwmW05001186 · 304 postcodes
- Electoral wardCenarth and LlangelerW05001185 · 254 postcodes
- Electoral wardLlangyndeyrnW05001211 · 233 postcodes
- Electoral wardLlangadogW05001208 · 214 postcodes
- Electoral wardKidwelly and St IshmaelW05001198 · 211 postcodes
- Electoral wardManordeilo and SalemW05001216 · 211 postcodes
- Electoral wardSt Clears and LlansteffanW05001221 · 206 postcodes
- Electoral wardTrelechW05001223 · 193 postcodes
- Electoral wardTyishaW05001226 · 181 postcodes
- Electoral wardLlannonW05001212 · 165 postcodes
- Electoral wardLlanegwadW05001205 · 156 postcodes
- Lower layer super output areaCarmarthenshire 004CW01000687 · 214 postcodes
- Lower layer super output areaCarmarthenshire 002BW01000650 · 209 postcodes
- Lower layer super output areaCarmarthenshire 003DW01000728 · 164 postcodes
- Lower layer super output areaCarmarthenshire 004DW01000709 · 164 postcodes
- Lower layer super output areaCarmarthenshire 008AW01000641 · 147 postcodes
- Lower layer super output areaCarmarthenshire 002AW01000647 · 142 postcodes
- Lower layer super output areaCarmarthenshire 005DW01000684 · 119 postcodes
- Lower layer super output areaCarmarthenshire 003AW01000646 · 110 postcodes
- Lower layer super output areaCarmarthenshire 027AW01000674 · 107 postcodes
- Lower layer super output areaCarmarthenshire 027GW01000700 · 103 postcodes
- Lower layer super output areaCarmarthenshire 005CW01000683 · 100 postcodes
- Lower layer super output areaCarmarthenshire 005AW01000624 · 97 postcodes
- Middle layer super output areaCarmarthenshire 027W02000418 · 541 postcodes
- Middle layer super output areaCarmarthenshire 004W02000145 · 520 postcodes
- Middle layer super output areaCarmarthenshire 002W02000143 · 506 postcodes
- Middle layer super output areaCarmarthenshire 003W02000144 · 418 postcodes
- Middle layer super output areaCarmarthenshire 012W02000153 · 417 postcodes
- Middle layer super output areaCarmarthenshire 005W02000146 · 372 postcodes
- Middle layer super output areaCarmarthenshire 008W02000149 · 321 postcodes
- Middle layer super output areaCarmarthenshire 016W02000157 · 282 postcodes
- Middle layer super output areaCarmarthenshire 006W02000147 · 259 postcodes
- Middle layer super output areaCarmarthenshire 023W02000164 · 256 postcodes
- Middle layer super output areaCarmarthenshire 021W02000162 · 251 postcodes
- Middle layer super output areaCarmarthenshire 001W02000142 · 239 postcodes
- Westminster parliamentary constituencyCaerfyrddinW07000087 · 4,088 postcodes
- Westminster parliamentary constituencyLlanelliW07000098 · 2,645 postcodes
Source and limitations
Source: Office for National Statistics licensed under the Open Government Licence v.3.0.. Coverage: United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope.
Names come from ONS Postcode Directory, release 2026-08, file Documents/LAD Local Authority District names and codes UK as at 04_25.csv, publisher date 1 Sept 2026.
OGL-3.0 with third-party rights. Counts reflect active postcodes in the current CheckNear.me publication and may differ from administrative service records.