All postcodes in EC3N 1
| Postcode | Place | Type |
|---|---|---|
| EC3N 1AB | City of London | street |
| EC3N 1AD | City of London | large user |
| EC3N 1AF | City of London | street |
| EC3N 1AH | City of London | street |
| EC3N 1AL | City of London | street |
| EC3N 1AP | City of London | street |
| EC3N 1BD | City of London | street |
| EC3N 1BJ | City of London | street |
| EC3N 1BL | City of London | street |
| EC3N 1DB | City of London | street |
| EC3N 1DD | City of London | street |
| EC3N 1DE | City of London | street |
| EC3N 1DL | City of London | large user |
| EC3N 1DR | City of London | street |
| EC3N 1DT | City of London | street |
| EC3N 1DY | City of London | street |
| EC3N 1JJ | City of London | street |
| EC3N 1JL | City of London | street |
| EC3N 1LA | City of London | street |
| EC3N 1LH | City of London | street |
| EC3N 1LJ | City of London | street |
| EC3N 1LQ | City of London | street |
| EC3N 1LS | City of London | street |
| EC3N 1NT | City of London | street |
| EC3N 1NU | City of London | street |
| EC3N 1PE | City of London | large user |
| EC3N 1RE | City of London | street |