連絡先

1. Origins, structure, and basic meaning

• Structure: 連絡先 is read as れんらくさき and is a noun for contact information such as a telephone number, email address, or mailing address.
• Basic usage: Entering it on a form appears in 連絡先を記入する, while emergency details appear in 緊急連絡先.

2. Common pitfalls and similar expressions

• Range of information
  • It is not limited to one telephone number and can include any details usable for contacting someone.
• Difference from 住所
  • 住所 is a residential or physical address; 連絡先 more broadly means information through which contact can be made.