Prefix CM1 contains 10 postcode records across 65 mapped localities in United Kingdom.
Based on 66 records, 10 postcode values and 65 mapped localities. Coordinate coverage is 100.0%.
| Postal code | Locality | Administrative path | Coordinates |
|---|---|---|---|
| CM1 | Broomfield | England / Essex | 51.7651, 0.4726 |
| CM1 | Chelmsford | England / Essex | 51.7357, 0.4696 |
| CM1 | Chignall Smealy | England / Essex | 51.7625, 0.4094 |
| CM1 | Chignall St James | England / Essex | 51.7625, 0.4094 |
| CM1 | Cooksmill Green | England / Essex | 51.7625, 0.4094 |
| CM1 | Edney Common | England / Essex | 51.7625, 0.4094 |
Compare this range with other active postcode prefixes from the same country-level directory.
This page keeps a bounded sample for fast crawling and links each code to its canonical lookup page. Use the country export when you need the full prefix dataset.
| Postal code | Locality | Region | Coordinates |
|---|---|---|---|
| CM1 | Broomfield | England / Essex | 51.7651, 0.4726 |
| CM1 | Chelmsford | England / Essex | 51.7357, 0.4696 |
| CM1 | Chignall Smealy | England / Essex | 51.7625, 0.4094 |
| CM1 | Chignall St James | England / Essex | 51.7625, 0.4094 |
| CM1 | Cooksmill Green | England / Essex | 51.7625, 0.4094 |
| CM1 | Edney Common | England / Essex | 51.7625, 0.4094 |
| CM1 | Good Easter | England / Essex | 51.7853, 0.355 |
| CM1 | Great Oxney Green | England / Essex | 51.7625, 0.4094 |
| CM1 | High Easter | England / Essex | 51.8082, 0.3491 |
| CM1 | Loves Green | England / Essex | 51.7625, 0.4094 |
| CM1 | Mashbury | England / Essex | 51.7885, 0.3884 |
| CM1 | Roxwell | England / Essex | 51.7516, 0.3807 |
| CM1 | Stagden Cross | England / Essex | 51.7625, 0.4094 |
| CM1 | Writtle | England / Essex | 51.7291, 0.4294 |
| CM11 | Billericay | England / Essex | 51.6287, 0.4196 |
| CM11 | Crays Hill | England / Essex | 51.6237, 0.4456 |
| CM11 | Downham | England / Essex | 51.6237, 0.4456 |
| CM11 | Great Burstead | England / Essex | 51.603, 0.4448 |
| CM11 | Ramsden Bellhouse | England / Essex | 51.621, 0.4823 |
| CM11 | Ramsden Heath | England / Essex | 51.6237, 0.4456 |
| CM11 | South Green | England / Essex | 51.6237, 0.4456 |
| CM12 | Little Burstead | England / Essex | 51.6047, 0.4077 |
| CM12 | Tye Common | England / Essex | 51.6047, 0.4077 |
| CM13 | Childerditch | England / Essex | 51.5978, 0.3317 |
| CM13 | Dunton Wayletts | England / Essex | 51.5978, 0.3317 |
| CM13 | East Horndon | England / Essex | 51.5692, 0.3436 |
| CM13 | Great Warley | England / Essex | 51.5929, 0.2843 |
| CM13 | Herongate | England / Essex | 51.5989, 0.3448 |
| CM13 | Hutton | England / Essex | 51.6313, 0.3604 |
| CM13 | Ingrave | England / Essex | 51.6042, 0.3406 |
| CM13 | Little Warley | England / Essex | 51.5903, 0.3166 |
| CM13 | West Horndon | England / Essex | 51.5978, 0.3317 |
| CM14 | Brentwood | England / Essex | 51.6213, 0.3056 |
| CM14 | Brook Street | England / Essex | 51.6213, 0.3056 |
| CM14 | Coxtie Green | England / Essex | 51.6213, 0.3056 |
| CM14 | Navestock Side | England / Essex | 51.6213, 0.3056 |
| CM14 | South Weald | England / Essex | 51.6213, 0.3056 |
| CM15 | Doddinghurst | England / Essex | 51.6513, 0.3187 |
| CM15 | Kelvedon Hatch | England / Essex | 51.6674, 0.2681 |
| CM15 | Mountnessing | England / Essex | 51.6549, 0.3561 |
| CM15 | Pilgrims Hatch | England / Essex | 51.6513, 0.3187 |
| CM15 | Shenfield | England / Essex | 51.6317, 0.332 |
| CM15 | Stondon Massey | England / Essex | 51.6804, 0.2886 |
| CM16 | Coopersale Common | England / Essex | 51.7115, 0.1096 |
| CM16 | Epping | England / Essex | 51.6982, 0.1105 |
| CM16 | Epping Green | England / Essex | 51.7261, 0.0789 |
| CM16 | Epping Upland | England / Essex | 51.7115, 0.1096 |
| CM16 | Fiddlers Hamlet | England / Essex | 51.7115, 0.1096 |
| CM16 | North Weald Bassett | England / Essex | 51.7002, 0.12 |
| CM16 | Theydon Bois | England / Essex | 51.6743, 0.0978 |
| CM16 | Thornwood Common | England / Essex | 51.7115, 0.1096 |
| CM16 | Tylers Green | England / Essex | 51.7115, 0.1096 |
| CM17 | Church Langley | England / Essex | 51.7672, 0.151 |
| CM17 | Churchgate Street | England / Essex | 51.7672, 0.151 |
| CM17 | Foster Street | England / Essex | 51.7672, 0.151 |
| CM17 | Harlow | England / Essex | 51.7766, 0.1116 |
| CM17 | Hastingwood | England / Essex | 51.7476, 0.1511 |
| CM17 | Matching | England / Essex | 51.785, 0.2094 |
| CM17 | Matching Green | England / Essex | 51.7672, 0.151 |
| CM17 | Matching Tye | England / Essex | 51.7672, 0.151 |
| CM17 | Potter Street | England / Essex | 51.7595, 0.1317 |
| CM17 | Threshers Bush | England / Essex | 51.7672, 0.151 |
| CM18 | Harlow | England / Essex | 51.7766, 0.1116 |
| CM19 | Great Parndon | England / Essex | 51.7536, 0.0736 |
| CM19 | Roydon | England / Essex | 51.7718, 0.0403 |
| CM19 | Roydon Hamlet | England / Essex | 51.7627, 0.057 |