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OSM Postcode Mapping for L4 4 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 %
L4 4 119 119 8 6.7%

All units within this sector:

Unit Street Name PQI ML Mapped
L4 4AA 10 0
L4 4AD 10 0
L4 4AE 10 0
L4 4AF 10 0
L4 4AG 10 0
L4 4AH 10 0
L4 4AJ 10 0
L4 4AL 10 0
L4 4AP 10 0
L4 4AR 10 0
L4 4AU 10 0
L4 4AY 10 0
L4 4AZ 10 0
L4 4BB 10 0
L4 4BE 10 0
L4 4BJ 10 0
L4 4BL 10 0
L4 4BN 10 0
L4 4BU 10 0
L4 4BZ 10 0
L4 4DA 10 0
L4 4DE 10 0
L4 4DF 10 0
L4 4DG Oxton Street 10 1
L4 4DH Winslow Street 10 1
L4 4DJ Winslow Street 10 1
L4 4DL 10 0
L4 4DN Eton Street 10 1
L4 4DP 10 0
L4 4DQ Oxton Street 10 1
L4 4DR Neston Street 10 1
L4 4DS 10 0
L4 4DT 10 0
L4 4DU 10 0
L4 4DW Eton Street 10 1
L4 4DX 10 0
L4 4DY 10 0
L4 4DZ 10 0
L4 4EA 10 0
L4 4EB 10 0
L4 4ED 10 0
L4 4EE 10 0
L4 4EF 10 0
L4 4EG 10 0
L4 4EH 10 0
L4 4EJ 10 0
L4 4EL Goodison Road 10 1
L4 4EN 10 0
L4 4EP 10 0
L4 4EQ 10 0
L4 4ER 10 0
L4 4EW 10 0
L4 4EX 10 0
L4 4EZ 10 0
L4 4HB 10 0
L4 4HE 10 0
L4 4HH 10 0
L4 4HP 10 0
L4 4HQ 10 0
L4 4HS 10 0
L4 4HT 10 0
L4 4HU 10 0
L4 4HY 10 0
L4 4JS 10 0
L4 4JT 10 0
L4 4JX 10 0
L4 4LE 10 0
L4 4LF 10 0
L4 4LG 10 0
L4 4LQ 10 0
L4 4LR 10 0
L4 4LS 10 0
L4 4LT 10 0
L4 4LW 10 0
L4 4LY 10 0
L4 4LZ 10 0
L4 4ND 10 0
L4 4NE 10 0
L4 4NF 10 0
L4 4NH 10 0
L4 4NJ 10 0
L4 4NL 10 0
L4 4NS 10 0
L4 4NU 10 0
L4 4PD 10 0
L4 4PE 10 0
L4 4PG 10 0
L4 4PH 10 0
L4 4PJ 10 0
L4 4PN 10 0
L4 4PP 10 0
L4 4PR 10 0
L4 4PS 10 0
L4 4PT 10 0
L4 4PU 10 0
L4 4PW 10 0
L4 4PX 10 0
L4 4PY 10 0
L4 4PZ 10 0
L4 4QA 10 0
L4 4QB 10 0
L4 4QD 10 0
L4 4QE 10 0
L4 4QG 10 0
L4 4QH 10 0
L4 4QJ 10 0
L4 4QL 10 0
L4 4QN 10 0
L4 4QP 10 0
L4 4QQ 10 0
L4 4QR 10 0
L4 4QS 10 0
L4 4QT 10 0
L4 4QU 10 0
L4 4QW 10 0
L4 4QX 10 0
L4 4QY 10 0
L4 4QZ 10 0
L4 4RB 10 0
L4 4YX 50 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.