| Londres | Inglatera | United Kingdom | 7,556,900 | BR1, BR2, BR3, BR4, BR5, BR6, BR7, BR8, CM13, CM14, CM23, CR0, CR2, CR3, CR4, CR44, CR5, CR6, CR7, CR8, CR9, CR90, DA1, DA10, DA11, DA12, DA13, DA14, DA15, DA16, DA17, DA18, DA2, DA3, DA4, DA5, DA6, DA7, DA8, DA9, E1, E10, E11, E12, E13, E14, E15, E16, E17, E18, E1W, E2, E20, E3, E4, E5, E6, E7, E77, E8, E9, E98, EC1, EC1A, EC1M, EC1N, EC1P, EC1R, EC1V, EC1Y, EC2A, EC2M, EC2N, EC2P, EC2R, EC2V, EC2Y, EC3, EC3A, EC3B, EC3M, EC3N, EC3P, EC3R, EC3V, EC4A, EC4M, EC4N, EC4P, EC4R, EC4V, EC4Y, EC50, EC88, EN1, EN2, EN3, EN4, EN5, EN6, EN7, EN8, EN9, HA0, HA1, HA2, HA3, HA4, HA5, HA6, HA7, HA8, HA9, IG1, IG11, IG2, IG3, IG4, IG5, IG6, IG7, IG8, IG9, KT1, KT17, KT18, KT19, KT2, KT22, KT3, KT4, KT5, KT6, KT7, KT8, KT9, N1, N10, N11, N12, N13, N14, N15, N16, N17, N18, N19, N1C, N1P, N2, N20, N21, N22, N3, N4, N5, N6, N7, N8, N81, N9, NW1, NW10, NW11, NW1W, NW2, NW26, NW3, NW4, NW5, NW6, NW7, NW8, NW9, RM1, RM10, RM11, RM12, RM13, RM14, RM15, RM16, RM19, RM2, RM3, RM4, RM5, RM50, RM6, RM7, RM8, RM9, SE1, SE10, SE11, SE12, SE13, SE14, SE15, SE16, SE17, SE18, SE19, SE1P, SE2, SE20, SE21, SE22, SE23, SE24, SE25, SE26, SE27, SE28, SE3, SE4, SE5, SE6, SE7, SE8, SE9, SE99, SM1, SM2, SM3, SM4, SM5, SM6, SM7, SW1, SW10, SW11, SW12, SW13, SW14, SW15, SW16, SW17, SW18, SW19, SW1A, SW1E, SW1H, SW1P, SW1V, SW1W, SW1X, SW1Y, SW2, SW20, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW95, SW99, TN14, TN15, TN16, TW1, TW10, TW11, TW12, TW13, TW14, TW15, TW19, TW2, TW3, TW4, TW5, TW6, TW7, TW8, TW9, UB1, UB10, UB11, UB18, UB2, UB3, UB4, UB5, UB6, UB7, UB8, UB9, W1, W10, W11, W12, W13, W14, W1A, W1B, W1C, W1D, W1F, W1G, W1H, W1J, W1K, W1M, W1N, W1P, W1R, W1S, W1T, W1U, W1V, W1W, W1X, W1Y, W2, W3, W4, W5, W6, W7, W8, W9, WC1A, WC1B, WC1E, WC1H, WC1N, WC1R, WC1T, WC1V, WC1X, WC2, WC2A, WC2B, WC2E, WC2H, WC2N, WC2R, WC99, WD1, WD19, WD2, WD23, WD3, WD6 |
| Lungsod ng Londres | Inglatera | United Kingdom | 7,556,900 | CM23, DA1, DA5, E1, E10, E11, E12, E13, E14, E15, E16, E17, E1W, E2, E20, E3, E4, E5, E6, E7, E77, E8, E9, E98, EC1, EC1A, EC1M, EC1N, EC1P, EC1R, EC1V, EC1Y, EC2A, EC2M, EC2N, EC2P, EC2R, EC2V, EC2Y, EC3, EC3A, EC3B, EC3M, EC3N, EC3P, EC3R, EC3V, EC4A, EC4M, EC4N, EC4P, EC4R, EC4V, EC4Y, EC50, EC88, N1, N10, N13, N15, N16, N17, N18, N19, N1C, N1P, N2, N22, N4, N5, N6, N7, N8, N81, NW1, NW10, NW11, NW1W, NW2, NW26, NW3, NW5, NW6, NW8, RM6, SE1, SE10, SE11, SE12, SE13, SE14, SE15, SE16, SE17, SE18, SE19, SE1P, SE21, SE22, SE23, SE24, SE26, SE27, SE3, SE4, SE5, SE6, SE7, SE8, SE99, SW1, SW10, SW11, SW12, SW13, SW15, SW16, SW17, SW18, SW1A, SW1E, SW1H, SW1P, SW1V, SW1W, SW1X, SW1Y, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW95, SW99, W1, W10, W11, W12, W14, W1A, W1B, W1C, W1D, W1F, W1G, W1H, W1J, W1K, W1M, W1N, W1P, W1R, W1S, W1T, W1U, W1V, W1W, W1X, W1Y, W2, W3, W6, W8, W9, WC1A, WC1B, WC1E, WC1H, WC1N, WC1R, WC1T, WC1V, WC1X, WC2, WC2A, WC2B, WC2E, WC2H, WC2N, WC2R, WC99 |