This page provides postcode data for the Hertfordshire English ceremonial county. Hertfordshire contains approximately 453,813 households with a population of about 1,116,077 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| SG5 3WF | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WG | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WH | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WU | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WW | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WX | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3WY | 51.93016 | -0.341917 | 514102 | 227037 | TL141270 | No |
| SG5 3WZ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3XA | 51.969775 | -0.280854 | 518196 | 231540 | TL181315 | Yes |
| SG5 3XB | 51.96908 | -0.282555 | 518081 | 231460 | TL180314 | Yes |
| SG5 3XD | 51.967336 | -0.285621 | 517875 | 231261 | TL178312 | Yes |
| SG5 3XE | 51.967144 | -0.285468 | 517886 | 231240 | TL178312 | Yes |
| SG5 3XF | 51.965913 | -0.286738 | 517802 | 231101 | TL178311 | No |
| SG5 3XG | 51.965183 | -0.286023 | 517853 | 231021 | TL178310 | Yes |
| SG5 3XH | 51.9684 | -0.287734 | 517727 | 231376 | TL177313 | Yes |
| SG5 3XJ | 51.967896 | -0.288292 | 517690 | 231319 | TL176313 | Yes |
| SG5 3XL | 51.96744 | -0.28911 | 517635 | 231267 | TL176312 | Yes |
| SG5 3XN | 51.968321 | -0.289717 | 517591 | 231364 | TL175313 | Yes |
| SG5 3XP | 51.968013 | -0.285245 | 517899 | 231337 | TL178313 | Yes |
| SG5 3XQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3XR | 51.969499 | -0.284169 | 517969 | 231504 | TL179315 | Yes |
| SG5 3XS | 51.969279 | -0.285706 | 517864 | 231477 | TL178314 | Yes |
| SG5 3XT | 51.970134 | -0.281452 | 518154 | 231579 | TL181315 | Yes |
| SG5 3XU | 51.970029 | -0.282897 | 518055 | 231565 | TL180315 | Yes |
| SG5 3XW | 51.969937 | -0.283963 | 517982 | 231553 | TL179315 | Yes |
| SG5 3XX | 51.971146 | -0.282403 | 518086 | 231690 | TL180316 | Yes |
| SG5 3XY | 51.971121 | -0.283758 | 517993 | 231685 | TL179316 | Yes |
| SG5 3XZ | 51.971896 | -0.282665 | 518066 | 231773 | TL180317 | Yes |
| SG5 3YA | 51.971985 | -0.281978 | 518113 | 231784 | TL181317 | Yes |
| SG5 3YB | 51.97097 | -0.281434 | 518153 | 231672 | TL181316 | Yes |
| SG5 3YD | 51.971301 | -0.280053 | 518247 | 231711 | TL182317 | Yes |
| SG5 3YE | 51.972217 | -0.280003 | 518248 | 231813 | TL182318 | Yes |
| SG5 3YF | 51.971738 | -0.279803 | 518263 | 231760 | TL182317 | Yes |
| SG5 3YG | 51.971622 | -0.279255 | 518301 | 231748 | TL183317 | Yes |
| SG5 3YH | 51.971155 | -0.280554 | 518213 | 231694 | TL182316 | Yes |
| SG5 3YJ | 51.970632 | -0.280472 | 518220 | 231636 | TL182316 | Yes |
| SG5 3YL | 51.966974 | -0.2861 | 517843 | 231220 | TL178312 | Yes |
| SG5 3YQ | 51.971199 | -0.279256 | 518302 | 231701 | TL183317 | No |
| SG5 3YR | 51.969006 | -0.329855 | 514832 | 231376 | TL148313 | Yes |
| SG5 3YT | 51.974168 | -0.326795 | 515029 | 231955 | TL150319 | No |
| SG5 3ZH | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3ZJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3ZN | 51.969023 | -0.329811 | 514835 | 231378 | TL148313 | No |
| SG5 3ZQ | 51.973536 | -0.327241 | 515000 | 231884 | TL149318 | No |
| SG5 3ZR | 51.969023 | -0.329811 | 514835 | 231378 | TL148313 | No |
| SG5 3ZS | 51.969023 | -0.329811 | 514835 | 231378 | TL148313 | No |
| SG5 3ZT | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 3ZU | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4AD | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4QG | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4QP | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4QS | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RF | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RG | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RH | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RL | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RN | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4RW | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4UZ | 51.981628 | -0.209208 | 523085 | 232977 | TL230329 | No |
| SG5 4WB | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WD | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WF | 51.981628 | -0.209208 | 523085 | 232977 | TL230329 | No |
| SG5 4WG | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WH | 51.981628 | -0.209208 | 523085 | 232977 | TL230329 | No |
| SG5 4WJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WL | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WP | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WS | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WT | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WU | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WW | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4WX | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4XA | 51.981453 | -0.209477 | 523067 | 232957 | TL230329 | No |
| SG5 4ZJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4ZR | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 4ZT | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9AB | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9AD | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9AH | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9AL | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9AQ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9AR | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9AX | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9AZ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BA | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BG | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BH | 51.896116 | -0.202831 | 523758 | 223478 | TL237234 | No |
| SG5 9BJ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9BL | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9BP | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BR | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9BS | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BT | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BU | 51.896116 | -0.202831 | 523758 | 223478 | TL237234 | No |
| SG5 9BW | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9BY | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DA | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9DB | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DD | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9DE | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9DF | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9DG | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9DH | 51.896116 | -0.202831 | 523758 | 223478 | TL237234 | No |
| SG5 9DJ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DL | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DN | 51.896116 | -0.202831 | 523758 | 223478 | TL237234 | No |
| SG5 9DP | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DQ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DR | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9DT | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9DU | 51.896116 | -0.202831 | 523758 | 223478 | TL237234 | No |
| SG5 9DX | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DY | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9DZ | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9EA | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9EB | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9ED | 51.949143 | -0.276335 | 518561 | 229253 | TL185292 | No |
| SG5 9EE | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EF | 51.949355 | -0.276079 | 518578 | 229277 | TL185292 | No |
| SG5 9EG | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EH | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EJ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9EL | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EN | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EP | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EQ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9ER | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9ES | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9ET | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EU | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9EW | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EX | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9EZ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9FA | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FB | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FD | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FE | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FF | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FG | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FH | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FJ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FL | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FN | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FP | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FQ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FR | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FS | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9FT | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FU | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FW | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FX | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9FY | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9FZ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9GA | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GB | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GD | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GE | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GF | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9GG | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GH | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GJ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9GL | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GN | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GP | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9GQ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GR | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GS | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GT | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GU | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GW | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GX | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9GZ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9HA | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HB | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HD | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HE | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HG | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HH | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HJ | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HL | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG5 9HN | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | No |
| SG5 9HP | 51.896091 | -0.202978 | 523748 | 223475 | TL237234 | Yes |
| SG6 1AA | 51.988356 | -0.219411 | 522366 | 233708 | TL223337 | Yes |
| SG6 1AB | 51.988763 | -0.219555 | 522355 | 233753 | TL223337 | Yes |
| SG6 1AD | 51.990046 | -0.214581 | 522693 | 233904 | TL226339 | Yes |
| SG6 1AE | 51.990448 | -0.215061 | 522659 | 233948 | TL226339 | Yes |
| SG6 1AF | 51.989252 | -0.219186 | 522379 | 233808 | TL223338 | No |
| SG6 1AG | 51.992989 | -0.210051 | 522996 | 234239 | TL229342 | Yes |
| SG6 1AH | 51.99586 | -0.207868 | 523138 | 234562 | TL231345 | Yes |
| SG6 1AJ | 51.994376 | -0.207214 | 523187 | 234398 | TL231343 | Yes |
| SG6 1AL | 51.993709 | -0.208901 | 523073 | 234321 | TL230343 | Yes |
| SG6 1AN | 51.998709 | -0.203049 | 523461 | 234887 | TL234348 | Yes |
| SG6 1AP | 51.992349 | -0.215845 | 522600 | 234158 | TL225341 | Yes |
| SG6 1AQ | 51.988728 | -0.202473 | 523528 | 233778 | TL235337 | Yes |
| SG6 1AR | 51.992854 | -0.20943 | 523039 | 234225 | TL230342 | Yes |
| SG6 1AS | 51.992736 | -0.218291 | 522431 | 234197 | TL224341 | Yes |