no, manual payments need the zip code to process. you won't be able to manually charge a card without it.
Required Information for Manual Entry
We require all of the following information for transactions entered manually:
- Complete card number
- Expiration date
- Security code/CVV
- Billing ZIP code
https://squareup.com/help/us/en/article/5176-manually-enter-card-payments-without-the-square-reader
