Postcodes in Swansea page 87 Unitary Authority

This page provides postcode data for the Swansea UK Unitary Authority.

In 2021, Swansea contained approximately 105,000 households with a population of about 238,500

In 2011, Swansea contained approximately 103,491 households with a population of about 239,013

Wards in this Unitary Authority
Key Active postcodeActive postcode Postcode no longer in usePostcode no longer in use

Postcode Ward Latitude Longitude Easting Northing Grid ref
SA99 1DN Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DP Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DQ Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DR Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DS Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DT Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DU Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DW Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DX Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DY Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1DZ Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ST Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1TU Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1YW Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1YX Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZA Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZB Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZU Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZW Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZX Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZY Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
SA99 1ZZ Mynydd-bach 51.669997 -3.945445 265563 198595 SS655985
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Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
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