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OSM Postcode Mapping for M21 0 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 %
M21 0 144 142 21 14.8%

All units within this sector:

Unit Street Name PQI ML Mapped
M21 0AA Needham Avenue 10 1
M21 0AB Barlow Moor Road 10 2
M21 0AE Wilbraham Road 10 9
M21 0AG 10 0
M21 0AH 10 2
M21 0AN 10 27 0
M21 0AS Wilbraham Road 10 1
M21 0AT 10 0
M21 0AU 10 0
M21 0AW 10 0
M21 0AX 10 0
M21 0AY 10 0
M21 0AZ 10 0
M21 0BA Albany Road 10 1
M21 0BG 10 2 0
M21 0BH 10 0
M21 0BJ 10 0
M21 0BL 10 0
M21 0BN Albany Road 10 2 1
M21 0BP 10 0
M21 0BQ 10 0
M21 0BW 10 0
M21 0BY 10 0
M21 0DZ Brantingham Road 10 14
M21 0FR 10 0
M21 0GT 10 0
M21 0GU 10 0
M21 0GW Egerton Road North 10 1
M21 0GX 10 0
M21 0GY 10 0
M21 0GZ Manley Road 10 19
M21 0NW 10 0
M21 0QT 10 0
M21 0QU 10 0
M21 0QW 10 0
M21 0QY 10 0
M21 0QZ 10 0
M21 0RA 10 0
M21 0RB 10 0
M21 0RD 10 0
M21 0RE 10 0
M21 0RF 10 0
M21 0RG 10 0
M21 0RH 10 0
M21 0RJ 10 0
M21 0RL 10 0
M21 0RN 10 0
M21 0RP 10 0
M21 0RQ 10 0
M21 0RR 10 0
M21 0RU Manley Road 10 8
M21 0RW 10 0
M21 0RY 10 0
M21 0SA 10 0
M21 0SB 10 0
M21 0SD Wilbraham Road 10 3
M21 0SE 10 0
M21 0SF 10 0
M21 0SG 10 0
M21 0SH Silverdale Road 10 1
M21 0SJ 10 0
M21 0SL 10 0
M21 0SN 10 0
M21 0SP 10 0
M21 0SQ 10 0
M21 0SR 10 0
M21 0SS 10 0
M21 0ST 10 0
M21 0SW 10 0
M21 0SX 10 27 0
M21 0SY 10 0
M21 0TD 10 0
M21 0TE 10 0
M21 0TF 10 0
M21 0TG 10 0
M21 0TH 10 0
M21 0TJ 10 0
M21 0TL 10 1
M21 0TN 10 0
M21 0TP 10 0
M21 0TQ 10 0
M21 0TR 10 0
M21 0TS 10 0
M21 0TT 10 0
M21 0TU 10 0
M21 0TW 10 0
M21 0TX 10 0
M21 0TZ 10 0
M21 0UA Wilbraham Road 10 4
M21 0UB 10 0
M21 0UD 10 0
M21 0UE Wilbraham Road 10 5
M21 0UF Wilbraham Road 10 6
M21 0UG 10 0
M21 0UH 10 0
M21 0UJ 10 0
M21 0UL 10 0
M21 0UN 10 0
M21 0UP 10 0
M21 0UQ 10 0
M21 0UR 10 0
M21 0US 10 0
M21 0UT 10 0
M21 0UU 10 0
M21 0UW 10 0
M21 0UX 10 0
M21 0UZ 10 0
M21 0WU 10 0
M21 0WX 10 27 0
M21 0XA 10 0
M21 0XB 10 0
M21 0XD 10 0
M21 0XE 10 0
M21 0XF 10 0
M21 0XG 10 0
M21 0XH 10 0
M21 0XJ 10 0
M21 0XL 10 0
M21 0XN Egerton Road South 10 0
M21 0XP 10 0
M21 0XQ 10 0
M21 0XR 10 0
M21 0XS 10 0
M21 0XT 10 0
M21 0XU 10 0
M21 0XW 10 0
M21 0XX Kings Road 10 1
M21 0XY 10 0
M21 0XZ 10 0
M21 0YA Withington Road 10 24
M21 0YB 10 0
M21 0YD 10 0
M21 0YF 50 0
M21 0YG 10 0
M21 0YH 10 0
M21 0YJ 10 0
M21 0YL 10 0
M21 0YN 10 0
M21 0YP Egerton Road South 10 1
M21 0YQ 10 0
M21 0YR 10 0
M21 0YS 10 0
M21 0YT 10 0
M21 0YW 10 0
M21 0ZA Withington Road 10 14
M21 0ZE 10 0
M21 0ZH 10 0
M21 0ZJ 10 0
M21 0ZL 10 0
M21 0ZN 10 0
M21 0ZP 10 0
M21 0ZW 10 0
M21 0ZY 10 0

Units with street mismatches in this sector:

Unit Mapped Dominant Street OSM Object Tagged Street
M21 0AH 2 w268890560
M21 0AH 2 w268890558
M21 0TL 1 w99557857
M21 0UA 4 Wilbraham␣Road n6610330664
M21 0ZA 14 Withington␣Road n6497671866 Albany␣Road
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.