Postcode districts covering Sefton
- PR8 1,199 postcodes
- L20 903 postcodes
- PR9 806 postcodes
- L31 775 postcodes
- L23 703 postcodes
- L37 669 postcodes
- L21 572 postcodes
- L30 460 postcodes
- L22 281 postcodes
- L10 131 postcodes
- L38 100 postcodes
- L72 33 postcodes
- L9 28 postcodes
- L29 22 postcodes
- L75 8 postcodes
- L71 7 postcodes
- L69 5 postcodes
- L68 1 postcodes
- L70 1 postcodes
Towns, villages and suburbs in Sefton
A
- Aintree village · 137
B
- Bootle town · 1,408
C
- Crosby town · 1,133
F
- Formby town · 653
H
- Hightown village · 67
- Homer Green hamlet · 2
I
- Ince Blundell village · 14
L
- Lady Green hamlet · 3
- Litherland town · 429
- Little Crosby village · 5
- Lunt village · 6
- Lydiate village · 160
M
- Maghull town · 470
- Melling village · 8
- Melling Mount village · 2