This page provides postcode data for the Welwyn Hatfield, unparished area parish. Welwyn Hatfield, unparished area contains approximately 19,553 households with a population of about 46,630 (2011 census)
| Postcode | Latitude | Longitude | Easting | Northing | Grid reference | Active? |
|---|---|---|---|---|---|---|
| AL8 7PT | 51.808976 | -0.200584 | 524152 | 213791 | TL241137 | Yes |
| AL8 7PU | 51.810308 | -0.200662 | 524143 | 213939 | TL241139 | Yes |
| AL8 7PW | 51.808816 | -0.201272 | 524105 | 213772 | TL241137 | Yes |
| AL8 7PX | 51.810002 | -0.200065 | 524185 | 213906 | TL241139 | Yes |
| AL8 7PY | 51.810778 | -0.202587 | 524009 | 213988 | TL240139 | Yes |
| AL8 7PZ | 51.806659 | -0.205492 | 523820 | 213525 | TL238135 | Yes |
| AL8 7QA | 51.807048 | -0.201546 | 524091 | 213575 | TL240135 | Yes |
| AL8 7QB | 51.80703 | -0.202112 | 524052 | 213572 | TL240135 | Yes |
| AL8 7QF | 51.814535 | -0.20544 | 523802 | 214401 | TL238144 | No |
| AL8 7QG | 51.815026 | -0.204623 | 523857 | 214457 | TL238144 | Yes |
| AL8 7QH | 51.815226 | -0.205921 | 523767 | 214477 | TL237144 | Yes |
| AL8 7QJ | 51.815684 | -0.205888 | 523768 | 214528 | TL237145 | Yes |
| AL8 7QL | 51.816464 | -0.205131 | 523818 | 214616 | TL238146 | Yes |
| AL8 7QN | 51.816044 | -0.205279 | 523809 | 214569 | TL238145 | Yes |
| AL8 7QP | 51.814895 | -0.208386 | 523598 | 214436 | TL235144 | Yes |
| AL8 7QQ | 51.814535 | -0.20544 | 523802 | 214401 | TL238144 | No |
| AL8 7QR | 51.815253 | -0.210649 | 523441 | 214472 | TL234144 | Yes |
| AL8 7QS | 51.816452 | -0.209673 | 523505 | 214607 | TL235146 | Yes |
| AL8 7QT | 51.816745 | -0.208211 | 523605 | 214642 | TL236146 | Yes |
| AL8 7QU | 51.816074 | -0.20786 | 523631 | 214568 | TL236145 | Yes |
| AL8 7QW | 51.81649 | -0.206248 | 523741 | 214617 | TL237146 | Yes |
| AL8 7QX | 51.816035 | -0.209457 | 523521 | 214561 | TL235145 | Yes |
| AL8 7QY | 51.815394 | -0.20867 | 523577 | 214491 | TL235144 | Yes |
| AL8 7QZ | 51.815883 | -0.207157 | 523680 | 214548 | TL236145 | Yes |
| AL8 7RA | 51.816979 | -0.207664 | 523642 | 214669 | TL236146 | Yes |
| AL8 7RB | 51.817366 | -0.206488 | 523722 | 214714 | TL237147 | Yes |
| AL8 7RD | 51.817783 | -0.202018 | 524029 | 214768 | TL240147 | Yes |
| AL8 7RE | 51.817112 | -0.200477 | 524137 | 214696 | TL241146 | Yes |
| AL8 7RF | 51.817464 | -0.20293 | 523967 | 214731 | TL239147 | Yes |
| AL8 7RG | 51.81712 | -0.20274 | 523981 | 214693 | TL239146 | Yes |
| AL8 7RH | 51.815322 | -0.203349 | 523944 | 214492 | TL239144 | Yes |
| AL8 7RJ | 51.814747 | -0.203996 | 523901 | 214427 | TL239144 | Yes |
| AL8 7RL | 51.814993 | -0.20358 | 523929 | 214455 | TL239144 | Yes |
| AL8 7RN | 51.807368 | -0.207176 | 523702 | 213601 | TL237136 | No |
| AL8 7RQ | 51.816355 | -0.204468 | 523864 | 214605 | TL238146 | Yes |
| AL8 7RT | 51.808471 | -0.206958 | 523714 | 213724 | TL237137 | Yes |
| AL8 7RU | 51.808849 | -0.206406 | 523751 | 213767 | TL237137 | Yes |
| AL8 7RX | 51.809614 | -0.205839 | 523788 | 213853 | TL237138 | Yes |
| AL8 7RY | 51.809585 | -0.203954 | 523918 | 213853 | TL239138 | Yes |
| AL8 7RZ | 51.809983 | -0.205853 | 523786 | 213894 | TL237138 | Yes |
| AL8 7SA | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7SB | 51.810663 | -0.208597 | 523595 | 213965 | TL235139 | Yes |
| AL8 7SD | 51.809961 | -0.209133 | 523560 | 213886 | TL235138 | Yes |
| AL8 7SE | 51.810427 | -0.207881 | 523645 | 213940 | TL236139 | Yes |
| AL8 7SF | 51.811767 | -0.20967 | 523518 | 214086 | TL235140 | Yes |
| AL8 7SG | 51.812052 | -0.207672 | 523655 | 214121 | TL236141 | Yes |
| AL8 7SH | 51.812718 | -0.208298 | 523610 | 214194 | TL236141 | Yes |
| AL8 7SJ | 51.812542 | -0.206825 | 523712 | 214177 | TL237141 | Yes |
| AL8 7SL | 51.811477 | -0.206548 | 523734 | 214059 | TL237140 | Yes |
| AL8 7SN | 51.816636 | -0.19758 | 524338 | 214648 | TL243146 | Yes |
| AL8 7SQ | 51.812601 | -0.208926 | 523567 | 214180 | TL235141 | Yes |
| AL8 7SR | 51.802881 | -0.226731 | 522366 | 213069 | TL223130 | Yes |
| AL8 7ST | 51.816221 | -0.198046 | 524307 | 214601 | TL243146 | Yes |
| AL8 7SU | 51.813822 | -0.216494 | 523042 | 214303 | TL230143 | Yes |
| AL8 7SX | 51.812915 | -0.21711 | 523002 | 214201 | TL230142 | No |
| AL8 7WA | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7WB | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7WD | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7WE | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7WG | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7WJ | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7XT | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7XZ | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7YZ | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZD | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |
| AL8 7ZE | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |
| AL8 7ZF | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |
| AL8 7ZG | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZH | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |
| AL8 7ZJ | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZL | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |
| AL8 7ZN | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZP | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZQ | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZR | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZS | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZT | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZU | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZW | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZX | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |
| AL8 7ZY | 51.804489 | -0.195874 | 524489 | 213300 | TL244132 | No |
| AL8 7ZZ | 51.810562 | -0.208456 | 523605 | 213954 | TL236139 | No |