Arun
25 postcode sectors mapped mainly to Arun. Choose a district or browse the guides below. These are postcode sectors, not named neighbourhood boundaries.
Postcode districts
Area guides
25 sectors
- BN12 5Near Ferring
- BN13 3Near Clapham
- BN14 0Near Worthing
- BN16 1Near East Preston
- BN16 2Near Rustington
- BN16 3Near Rustington
- BN16 4Near Angmering
- BN16 9Near Littlehampton
- BN17 5Near Lyminster
- BN17 6Near Littlehampton
- BN17 7Near Lyminster
- BN18 0Near Walberton
- BN18 8Near Arundel
- BN18 9Near Burpham
- PO20 3Near Westergate
- PO21 1Near Bognor Regis
- PO21 2Near Bognor Regis
- PO21 3Near Aldwick
- PO21 5Near North Bersted
- PO21 9Near Bognor Regis
- PO22 0Near Eastergate
- PO22 6Near Middleton-on-Sea
- PO22 7Near Felpham
- PO22 8Near Felpham
- PO22 9Near Shripney
Authority grouping uses mapped sector boundaries from the Office for National Statistics, December 2025. It measures boundary area, not the number of addresses or residents. Guide names describe a place near the approximate sector centre.