995 postboxes in the CO postcode area
| CO1 (30) | CO2 (46) | CO3 (55) | CO4 (65) | CO5 (66) | CO6 (97) | CO7 (97) | CO8 (17) | CO9 (83) |
| CO10 (155) | CO11 (39) | CO12 (45) | CO13 (37) | CO14 (18) | CO15 (89) | CO16 (56) |
Map boundaries are based on data from freethepostcode.org and npemap.org.uk.
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