I got this response -
1 - In person:
At the Los Angeles CVAC: between 9:00 am to 3:00 pm, Monday to Friday
At the New York CVAC: between 1:00 pm to 4:00 pm, Monday to Friday.
2 - Through the courier company of your choice, such as USPS, DHL, UPS, FedEx, etc.
If you choose to send your passport this way, you have two options to receive your passport back, once the process finishes:
Pay for the One-Way Courier Service: $37.20 USD by a money order, or bank draft, in favour of VFS Services USA Inc.(This money order must be inside of the packet along with your passport and documents).
TT Services/VFS Global has an agreement with FedEx, offering a preferential rate to our customers for the return of their passports, only within the USA
This service is optional, if you do not wish to take advantage of it or if you are not inside the USA, then please include:
Attach a prepaid shipping label from USPS, DHL or UPS.(FedEx labels will not be accepted).
From outside USA, please attach an international prepaid shipping label, from DHL or UPS.(FedEx label will not be accepted).
3- Purchasing the TT Services/VFS Global two-way courier service (only within USA):
First you will need to create an account on the website:
https://www.vfsglobal.ca/PostalAppointment/Account/RegisteredLoginq=shSA0YnE4pLF9Xzwon/x/CQ1P0LBKn66dLdNUfueK+wj/xwjQV05sWPtysuvzK33qrK3eXshT1TAgsu3oVBZovxbG4hegjVxPtRK4ehNyPck+V525rUvI5fmDu7unjO/
When accessing the portal, please complete the registration and proceed selecting your preferred center to mail your application. You can choose between Los Angeles and New York CVAC.