Virtual Mailbox in St. Louis, MO
St. Louis, located in Missouri with a metropolitan population of approximately 2.8 million residents as of 2024, is a major urban center where businesses and individuals may seek virtual mailbox services for mail management and address purposes. Virtual mailboxes provide a commercial mail receiving agency (CMRA) address that can be used for various business needs in the area.
Missouri law governs the use of virtual mailbox addresses, particularly regarding the Form-1583 requirement, which involves a witnessing step that must be completed in person under state regulations. Online notarization (remote online notarization or RON) is available in Missouri and can be used for certain purposes, though the Form-1583 witnessing requirement itself follows specific state rules. It is important to note that a virtual mailbox address is not a registered agent address, which is a separate legal designation. Provider availability in St. Louis is sourced from authorized affiliate feeds and no specific providers are asserted here. For current information about authorized providers and detailed legal requirements, consult the official Missouri state page and speak with a qualified attorney regarding your specific situation.
Providers are added from an authorized feed. This page does not assert that any specific virtual-mailbox provider operates in this city; the page-ready facts here are the metro's size and the state rule that governs.
| Detail | As the rule stands |
|---|---|
| Can a virtual mailbox be your registered agent? | No (a PMB cannot be your registered agent) |
| Can it be your LLC business address? | Generally yes — verify |
| Online notarization (RON) for Form 1583 | Online notarization (RON) available |
| Form 1583 witnessing | Notary or CMRA-owner witness (in person or by A/V) |
| PMB designator (address line) | 'PMB <number>' or '# <number>' (USPS DMM 508.1.4) |
| Governing citation | Mo. Rev. Stat. §486.1100 et seq.; USPS DMM 508.1.8 |
Full Missouri rules → · Check another state →
Compiled from the USPS federal baseline (DMM 508 / 39 CFR) and the state notary/RON statute, and verified June 2026. Always confirm the current rule on the official state Secretary of State / notary page before you rely on it — RON law is still moving. This state's RON status is currently medium-confidence (the exact statute section is not yet pinned), so treat the online-notarization detail as a starting point and confirm it on the official page. How we compile this. Informational only, not legal advice.