When you have restored MetaMask from seed phrase, only the default account (Account 1) would be restored automatically.
If you have created multiple accounts in your MetaMask wallet before restoring it, here’s how you could restore these accounts:
- Click on the favicon on the top right corner of MetaMask pop up
- Click “Create Account” to restore your MetaMask accounts in the order they are created
Here's some video tutorial on the same:
- Video tutorial on installing and restoring MetaMask (Please skip to 19:52)
- Video tutorial on restoring MetaMask in new UI)
If you have imported accounts, you ’ll have to import them again.