Marketo populates a known record with inferred state information leveraging the IP address when a person fills out a Marketo form. Here is an interesting article about what's behind your IP address.
The Inferred State Region value for US states and Canadian provinces is abbreviated.
Inferred State Region values for other countries are often city states.
- When is inferred information captured article.
- Inferred fields article.
- Where Marketo gets inferred data.
- Information about using Inferred Country
Part II - Instructions to Populate State with Inferred State Information.