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OSM Postcode Mapping for L40 3 Postal Sector

The circles on the map above are the postcode unit 'centriods' from Code-Point Open, 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 data may be freely used in OpenStreetMap, with the suggested source tag code-point_open

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. Only those points with a codepoint PQI less than or equal to 40 are show in 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 %
L40 3 35 35 2 5.7%

All units within this sector:

Unit Street Name PQI ML Mapped
L40 3AA 10 0
L40 3AB 10 0
L40 3AD 10 0
L40 3AE 10 0
L40 3PP Ridley Lane 10 1
L40 3SA 10 0
L40 3SB 10 0
L40 3SD 10 0
L40 3SE 10 0
L40 3SF 10 0
L40 3SG 10 0
L40 3SH 10 0
L40 3SJ 10 0
L40 3SL Chorley Road 10 2
L40 3SN 10 0
L40 3SP 10 0
L40 3SQ 10 0
L40 3SR 10 0
L40 3SS 10 0
L40 3ST 10 0
L40 3SU 10 0
L40 3SW 10 0
L40 3SX 10 0
L40 3SY 10 0
L40 3SZ 10 0
L40 3TA 10 0
L40 3TB 10 0
L40 3TD 10 0
L40 3TE 10 0
L40 3TF 10 0
L40 3TG 10 0
L40 3TH 10 0
L40 3TQ 10 0
L40 3TR 10 0
L40 3TW 10 0

Units with street mismatches in this sector:

No mismatches found in this sector.

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.