SA33 6DX

Trelech · Carmarthenshire · Wales

Updated September 2026

Compare this postcode

Location overview

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Ward: Trelech
Local authority: Carmarthenshire
Constituency: Caerfyrddin
Postcode district: SA33
Postcode sector: SA33 6

Nearby postcodes

Nearby postcode distances
Postcode	Distance
SA33 6DY	626 m
SA33 6DU	888 m
SA33 6SB	937 m
SA33 6QN	1.2 km
SA34 0DS	1.2 km

Complete postcode fields and official codes

Postcode: SA33 6DX
Status: Current
Introduced: 1 January 1980
Terminated: Not published
Postcode area: SA
Postcode district: SA33
Postcode sector: SA33 6
Latitude: 51.919229
Longitude: -4.520104
British National Grid easting: 226,789
British National Grid northing: 227,523

Statistical and administrative geographies

Country: Wales · W92000004
Region: W99999999
Local authority district: Carmarthenshire · W06000010
Electoral ward: Trelech · W05001223
Parish or community: W04000558
Westminster constituency: Caerfyrddin · W07000087
Output area: W00003909
Lower layer super output area: Carmarthenshire 003D · W01000728
Middle layer super output area: Carmarthenshire 003 · W02000144

Postcode source versions

Ordnance Survey: Code-Point Open Version 2026-08 · Current postcode units in Great Britain · OGL-3.0
Office for National Statistics: ONS Postcode Directory Version 2026-08 · United Kingdom; Northern Ireland excluded pending rights review; Crown Dependencies outside product scope · OGL-3.0 with third-party rights
Ordnance Survey: Boundary-Line Version 2026-05 · Local-authority boundaries in Great Britain · OS OpenData Licence

Explore SA33

Schools

Within 3.1 miles of this postcode

View all nearby schools

Open schools: 1
Primary: 0
Secondary: 0

Ysgol Gynradd Gymunedol Hafodwenog

Welsh establishment
3.2 km

Census 2021

Population and age profile

Postcode residents: 6
Postcode households: 2
Residents per household: 3.0
SA33 6 residents: 3,634

Age bands in SA33 6

Wider postcode sector

Age 0 to 14: 12.1%
Age 15 to 24: 8.7%
Age 25 to 44: 17.7%
Age 45 to 64: 32.6%
Age 65 and over: 28.9%

This postcode contained 0.2% of the sector's usual residents on Census Day. The age profile describes the wider SA33 6 sector, not people in this individual postcode.

Small counts are adjusted for privacy, so totals can differ slightly between Census tables.

Census Day: 21 March 2021. Sources: ONS/Nomis P001-P004 and ONS CT21_0228. Age table version 2024-04-08.

Fixed broadband coverage

Ofcom's predicted availability across all residential and commercial premises in this postcode in January 2026.

Superfast, 30 Mbit/s+: 0%
Ultrafast, 100 Mbit/s+: 0%
Ultrafast, 300 Mbit/s+: 0%
Gigabit-capable: 0%

Unable to receive decent fixed or FWA broadband: 0%
Next Generation Access: 0%
Decent broadband available from fixed wireless: 50%

Predicted coverage, not measured speeds. Check availability for your address with a provider. Postcode-level full-fibre figures are not published in this release.

Source: Ofcom Connected Nations Spring 2026, version 2026-01-v2. Contains Ofcom data licensed under the Open Government Licence v3.0.

Nearby transport

Groesffordd

BCT · Pen-y-bont
1.6 miles
Groesffordd

BCT · Pen-y-bont
1.6 miles
Cwmbach Cross

BCT · Maesygrove
1.8 miles
Cwmbach Cross

BCT · Maesygrove
1.8 miles
Trelech Church

BCT · Trelech
1.9 miles

Evidence in context

Schools

1 open schools are in scope, including 0 primary and 0 secondary schools. Ysgol Gynradd Gymunedol Hafodwenog is the nearest published school at 2.0 miles.

Counts describe active establishment records. They do not assess admissions, catchments or quality.