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OSM Postcode Mapping for CH44 2 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, under the Open Government Licence. The 'centriod' is calculated by taking the average of the coordinates of all the delivery points with that postcode, and then snapping that location to the nearest delivery point in that postcode. The data may be freely used in OpenStreetMap, but please make sure you understand it first. Also please only add postcodes to objects representing addressable entities; do not add the postcode centroids as themslves. Suggested source tag code-point_open

The circles are coloured by whether or not there is at least one OSM object with that value in its addr:postcode tag. Click on a point to see the postcode. The numbers in brackets are the number of OSM objects with that postcode.

The centroids are the location of the nearest 'delivery point' to the arithmetic mean of the coordinates of all the delivery points within that unit. Those points with a codepoint PQI greater than 40 are excluded from the map above. (Higher values are typically not geographically accurate. In particular, PQI=50 is used for new postcodes before the location has been determined. The location given for such postcodes seems to be derived from other existing postcodes with similar units letters, which may not be close to the new postcode.)

The pale blue lines from the circles join each Code-Point Open centroid to the mean coordiantes of all the OSM objects with that postcode. (For ways an relations, the centre of the rectangular bounding box is used at the coordinates for the OSM object.) Long lines may indicate missing or incorrect OSM objects for that postcode. In particular, if all the postcodes in a givne unit are correctly mapped, the circle should be located on the nearest delivery point within that postcode to the other end of the blue line.

The OSM data for the number of objects with each unit is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. The data used to compute the OSM mean position is updated less frequently, usually about once a week.

District Sector Units Geo. Units Mapped %
CH44 2 74 74 10 13.5%

All units within this sector:

Unit Street Name PQI ML Mapped
CH44 2AA 10 0
CH44 2AB Wallasey Road 10 13
CH44 2AD 10 0
CH44 2AE Wallasey Road 10 5
CH44 2AF Wallasey Road 10 7
CH44 2AG Wallasey Road 10 2
CH44 2AH 10 0
CH44 2AQ 10 0
CH44 2AR 10 0
CH44 2AS Colville Road 10 18
CH44 2AT 10 0
CH44 2AU Turney Road 10 10
CH44 2AX Newland Drive 10 29
CH44 2AY 10 0
CH44 2AZ 10 0
CH44 2BA 10 0
CH44 2BD 10 0
CH44 2BE 10 0
CH44 2BG 10 0
CH44 2BH 10 0
CH44 2BJ 10 0
CH44 2BL 10 0
CH44 2BN 10 0
CH44 2BP 10 0
CH44 2BQ 10 0
CH44 2BR 10 0
CH44 2BS 10 0
CH44 2BT 10 0
CH44 2BU 10 0
CH44 2BW 10 0
CH44 2BX 10 0
CH44 2BY 10 0
CH44 2BZ 10 0
CH44 2DA 10 0
CH44 2DB 10 0
CH44 2DD 10 0
CH44 2DE 10 0
CH44 2DF 10 0
CH44 2DG 10 0
CH44 2DH Wallasey Village 10 1
CH44 2DJ 10 0
CH44 2DL 10 0
CH44 2DN 10 0
CH44 2DP 10 0
CH44 2DQ 10 0
CH44 2DR 10 0
CH44 2DS 10 0
CH44 2DT 10 0
CH44 2DU 10 0
CH44 2DW 10 0
CH44 2DX 10 0
CH44 2DY 10 0
CH44 2DZ 10 0
CH44 2EA 10 0
CH44 2EB 10 0
CH44 2ED 10 0
CH44 2EE 10 0
CH44 2EF 10 0
CH44 2EG 10 0
CH44 2EH 10 0
CH44 2EJ 10 0
CH44 2EL 10 0
CH44 2EN 10 0
CH44 2EP 10 0
CH44 2EQ 10 0
CH44 2ER 10 0
CH44 2ES 10 0
CH44 2ET 10 0
CH44 2EU 10 0
CH44 2EW 10 0
CH44 2EY 10 0
CH44 2EZ 10 0
CH44 2HE Bidston Moss 10 2
CH44 2HQ 10 0
CH44 2HR Bidston Link Road 10 1

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
CH44 2AX 29 Newland␣Drive w237492925 Newlands␣Drive
CH44 2HE 2 Bidston␣Moss w236548619 Junction␣1␣Retail␣Park
Data derived from OpenStreetMap data, © OpenStreetMap Contributors, licensed under Open Data Commons Open Database License (ODbL). Data derived in part using Code-Point Open under the Open Government Licence v3; Contains OS data © Crown copyright and database right 2020; Contains Royal Mail data © Royal Mail copyright and Database right 2016; Contains National Statistics data © Crown copyright and database right 2020.