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Firstbase.io - Help Center
Firstbase Mailroom

Firstbase Mailroom

Secure a real US business address and view your mail from anywhere in the world

Notarization process

Notarization - Documents needed
Some Questions & Answers to help you in the Notary call
Understanding the USPS 1583 Form
Mailroom Activation -- Notarization steps

Business Address FAQs

Will Firstbase provide a US address for my company?
Business address change over the phone with the IRS
Mailing Address vs. Residential Address
Why do I need a US business address?
Will mail service operators open my packages?
148A/B Form: Why did the IRS mail this to me?

Firstbase Mailroom™

What is Firstbase Mailroom™ ?
How to receive a mailing piece/package on your Mailroom account
Wyoming operator shredding service
Why is it better to have a mail service instead of using your personal US address?
Step-by-step after Mailroom Cancelation
How to re-activate Mailroom?

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Firstbase.io - Help Center

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