AL9 postcodes Welwyn Hatfield - page 4

This is a list of postcodes in the AL9 area covering the areas of Hatfield, Brookmans Park, Essendon, North Mymms, Welwyn Hatfield. The area contains approximately 4,342 households with a population of about 10,641 (2011 census)

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AL1 AL2 AL3 AL4 AL5 AL6 AL7 AL8 AL9 AL10

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AL9 5 AL9 6 AL9 7

Nearby districts

AL10 AL7 AL8 EN6 AL6 EN5 AL4 AL1 SG3 EN4

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Key

Active postcode

Postcode no longer in use

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Postcode	Latitude	Longitude	Easting	Northing	Grid reference	Active?
AL9 7ZD	51.726926	-0.20858	523825	204652	TL238046	No
AL9 7ZE	51.726926	-0.20858	523825	204652	TL238046	No
AL9 7ZF	51.76427	-0.22623	522505	208776	TL225087	No
AL9 7ZG	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZH	51.726636	-0.204305	524121	204628	TL241046	No
AL9 7ZJ	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZL	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZN	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZP	51.734772	-0.223085	522802	205501	TL228055	No
AL9 7ZQ	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZR	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZS	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZT	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZU	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZW	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZX	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZY	51.764314	-0.22617	522509	208781	TL225087	No
AL9 7ZZ	51.726636	-0.204305	524121	204628	TL241046	No

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Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
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