SA33 broadband and area guide
Ofcom coverage, connection speeds, house prices and local data for 636 postcodes across 3 sectors in Carmarthenshire.
Gigabit
29%
Superfast
63%
Postcodes
636
SA33 spans 636 Carmarthenshire postcodes with poor 29.4% gigabit availability and severe 22.8% below the universal service obligation.
Broadband speeds in SA33
Share of SA33 premises by the fastest download speed available, averaged across all 636 postcodes in the district.
Superfast reaches just 63.1% of postcodes. Gigabit plummets to 29.4%, with no full-fibre data available. The speed distribution is heavily weighted to deprivation: 29.4% achieve 300 Mbps or faster, 33.7% sit between 30 and 300 Mbps, and 22.8% fall below 10 Mbps one of the highest below-USO rates in this batch. Fixed wireless provides 17.9% coverage, the one meaningful bright spot, though still insufficient for the scale of need. SA33 sits alongside SA17, SA19, SA20, and SA32 as deeply underserved, requiring emergency infrastructure intervention.
Source: Ofcom Connected Nations. Percentages are district-wide averages of postcode-level availability, so rows may not sum to exactly 100%.
Connectivity in detail
Below 10 Mbps USO
7%
Premises unable to get the 10 Mbps universal service minimum
Fixed wireless
18%
Premises that can use a fixed wireless access service
Broadband by sector
SA33 splits into 3 postcode sectors. Coverage and prices can differ street by street, so open a sector below to find your exact postcode.
| Sector | Postcodes | Superfast | Full fibre | Gigabit |
|---|---|---|---|---|
| SA33 4 | 234 | 73% | TBC | 18% |
| SA33 5 | 187 | 62% | TBC | 39% |
| SA33 6 | 215 | 54% | TBC | 34% |
All SA33 4 postcodes (234)
All SA33 5 postcodes (187)
All SA33 6 postcodes (215)
Best deals
Compare broadband deals in SA33
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Living in Carmarthenshire
Nearly a quarter of SA33 postcodes are in broadband poverty. Over a third sit in the constrained 30 to 300 Mbps tier. This postcode demands urgent government action.
Remote worker score
50/100
Connectivity and amenities for home working
Family score
50/100
Schools, safety and family amenities
Value score
50/100
What you get for the local price level
SA33 broadband FAQs
Why is SA33 so severely underserved?
Geography and low density. SA33 is likely rural, isolated south-west Carmarthenshire where provider ROI is poor and investment is minimal.
What's the reality for a household in the 22.8% below 10 Mbps?
Genuine digital exclusion. Remote working, streaming, and video calls are impossible. You qualify for government emergency support apply immediately.
Is the 33.7% mid-speed tier any better?
Only marginally. 30 to 300 Mbps is survivable for light browsing but inadequate for modern households. Fibre upgrade is essential.
Does SA33's 17.9% fixed wireless help?
Yes, meaningfully it's the strongest fixed wireless coverage among severely underserved postcodes. Worth investigating if terrestrial fibre is years away.
Neighbouring districts
Check your exact postcode
Every postcode in SA33 has its own page with broadband speeds, house prices, school ratings and crime stats. You can also compare providers for your address.
Data sources: Broadband data from Ofcom Connected Nations 2025 · House prices from HM Land Registry · Crime from Police.uk · See all data sources