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OSM Postcode Mapping for IV1 3 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 comes from Taginfo GB. It is usually updated once a day at about 10:15 UTC, with data from about 20:30 UTC the previous day. (Current data is from 1970‑01‑01 00:00:00 Z.) The data used to compute the OSM mean position comes from the Overpass API and is updated less frequently, usually about once a week. (Current data is from 2024‑07‑12 09:54:26 Z.)

District Sector Units Geo. Units Mapped %
IV1 3 52 52 4 7.7%

All units within this sector:

Unit PQI First Seen Last Seen Street Name ML Mapped
IV1 3AA 10 0
IV1 3AB 10 0
IV1 3AD 10 0
IV1 3AE 10 2022‑06 0
IV1 3JA 10 0
IV1 3JB 10 0
IV1 3JD 10 0
IV1 3JE 10 0
IV1 3JF 10 0
IV1 3JG 10 0
IV1 3JH 10 0
IV1 3JJ 10 0
IV1 3JL 10 0
IV1 3JU 10 0
IV1 3UB 10 0
IV1 3UD 10 0
IV1 3UF 10 0
IV1 3WX 10 Ferry Brae 1
IV1 3WY 10 0
IV1 3XA 10 0
IV1 3XB 10 0
IV1 3XD 10 Allanglach Wood 2
IV1 3XE 10 0
IV1 3XF 10 0
IV1 3XG 10 0
IV1 3XH 10 0
IV1 3XJ 10 0
IV1 3XL 10 0
IV1 3XN 10 Main Street 4
IV1 3XP 10 0
IV1 3XQ 10 0
IV1 3XR 10 0
IV1 3XS 10 0
IV1 3XT 10 0
IV1 3XU 10 0
IV1 3XW 10 Oakleigh Road 1
IV1 3XX 10 0
IV1 3XY 10 0
IV1 3XZ 10 0
IV1 3YA 10 0
IV1 3YB 10 0
IV1 3YD 10 0
IV1 3YE 10 0
IV1 3YF 10 0
IV1 3YG 10 0
IV1 3YH 10 0
IV1 3YJ 10 0
IV1 3YQ 10 0
IV1 3ZD 10 0
IV1 3ZE 10 0
IV1 3ZF 10 0
IV1 3ZG 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
IV1 3XD 2 Allanglach␣Wood w999074610 Balagunloune␣Road
IV1 3XN 4 Main␣Street w565480476
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.