Chelmsford (CM) Postcode Districts

Area/District	Active Postcodes
CM0	693
CM1	2,756
CM11	595
CM12	828
CM13	963
CM14	1,033
CM15	815
CM16	983
CM17	639
CM18	610
CM19	581
CM2	1,806
CM20	1,189
CM21	455
CM22	670
CM23	1,658
CM24	448
CM3	2,126
CM4	589
CM5	605
CM6	1,104
CM7	2,916
CM77	505
CM8	1,212
CM9	1,644
CM92	18
CM98	21
CM99	183