Eastern
E1,
E2,
E3,
E4,
E5,
E7,
E8,
E9,
E10,
E11,
E12,
E13,
E14,
E15,
E16,
E17,
E20,
Eastern Central
EC1,
EC2,
EC3,
EC4,
Northern
N1,
N2,
N3,
N4,
N5,
N6,
N7,
N8,
N10,
N11,
N12,
N13,
N15,
N16,
N17,
N19,
N22,
North Western
NW1,
NW2,
NW3,
NW4,
NW5,
NW6,
NW7,
NW8,
NW9,
NW10,
NW11,
South Eastern
SE1,
SE3,
SE4,
SE5,
SE6,
SE7,
SE8,
SE9,
SE10,
SE11,
SE12,
SE13,
SE14,
SE15,
SE16,
SE17,
SE18,
SE19,
SE20,
SE21,
SE22,
SE23,
SE24,
SE25,
SE26,
SE27,
South Western
SW1,
SW2,
SW3,
SW4,
SW5,
SW6,
SW7,
SW8,
SW9,
SW10,
SW11,
SW12,
SW13,
SW14,
SW15,
SW16,
SW17,
SW18,
SW19,
SW20,
Western
W1,
W2,
W3,
W4,
W5,
W6,
W7,
W8,
W9,
W10,
W11,
W12,
W13,
W14,
Western Central
WC1,
W1C,
WC2,