Districts in the EC area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| EC1A | City of London | City of London | 5 | 165 |
| EC1M | London | Islington | 5 | 168 |
| EC1N | London | Camden | 4 | 155 |
| EC1P | London | Islington | 1 | 258 |
| EC1R | London | Islington | 5 | 265 |
| EC1V | London | Islington | 8 | 482 |
| EC1Y | London | Islington | 5 | 174 |
| EC2A | London | Hackney | 4 | 337 |
| EC2M | City of London | City of London | 7 | 162 |
| EC2N | City of London | City of London | 4 | 46 |
| EC2P | London | Islington | 1 | 66 |
| EC2R | City of London | City of London | 4 | 72 |
| EC2V | City of London | City of London | 4 | 99 |
| EC2Y | City of London | City of London | 3 | 89 |
| EC3A | City of London | City of London | 8 | 66 |
| EC3M | City of London | City of London | 8 | 79 |
| EC3N | City of London | City of London | 4 | 81 |
| EC3P | London | Islington | 1 | 25 |
| EC3R | City of London | City of London | 4 | 78 |
| EC3V | City of London | City of London | 5 | 79 |
| EC4A | City of London | City of London | 4 | 110 |
| EC4M | City of London | City of London | 5 | 93 |
| EC4N | City of London | City of London | 6 | 68 |
| EC4P | London | Islington | 1 | 43 |
| EC4R | City of London | City of London | 5 | 56 |
| EC4V | City of London | City of London | 5 | 111 |
| EC4Y | City of London | City of London | 5 | 123 |