Virtual Mailbox in Chicago, IL
Chicago, located in Illinois with a metropolitan population of approximately 9.4 million residents, is a major business hub where many individuals and companies explore virtual mailbox services. A virtual mailbox provides a physical mailing address for receiving and managing correspondence, which some businesses use as part of their operational infrastructure in the region.
Illinois law requires that Form 1583, used for certain business registrations, include a witnessing step that traditionally required in-person notarization. However, Illinois permits remote online notarization (RON) for this form, allowing the witnessing to occur virtually. It is important to note that a virtual mailbox address cannot serve as a registered agent address under Illinois law, regardless of the mailbox provider. Provider availability in Chicago is sourced from authorized affiliate feeds; no specific providers are asserted here. For accurate, current information about virtual mailbox services and notarization requirements, consult the official Illinois Secretary of State website and consider seeking legal guidance for 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 | 5 ILCS 312 (amended 2024); USPS DMM 508.1.8 |
Full Illinois 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. How we compile this. Informational only, not legal advice.