Each contact field has a character limit, any excessive data will be truncated. The below table shows the limit of each field.
| Contact field | Character limit |
| firstname | 500 |
| lastname | 500 |
| salutation | 500 |
| 500 | |
| company | 500 |
| address1 | 500 |
| address2 | 500 |
| zip | 25 |
| city | 500 |
| fax | 500 |
| mobile | 100 |
| telephone | 500 |
| state | 500 |
| country | 500 |
| title | 500 |
| external_id | 500 |
| note | 65535 |
| Custom* | 2000 |
* Any custom field (no matter type) has a limit of 2000 characters.