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What is a ZIP+4 code?

A ZIP+4 code adds four digits to the basic five-digit ZIP code. It helps the USPS deliver mail more precisely to specific addresses or buildings.

Are ZIP codes the same as postal codes?

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All ZIP Codes for Vallejo California – Postal Code Lookup

Vallejo ZIP Code

The city of Vallejo is assigned specific ZIP Code(s) by the United States Postal Service (USPS) to make mail delivery accurate and efficient. A ZIP Code in Vallejo helps identify the correct postal area, ensuring that letters, parcels, and packages reach the right neighborhood or post office without delay. For residents, businesses, and visitors, knowing the correct Vallejo ZIP Code is important not only for mailing purposes but also for location-based services, navigation, and demographic reference.

Vallejo

Post Office	Vallejo
Division	Solano
Pincode	94591

Vallejo

Post Office	Vallejo
Division	Solano
Pincode	94590

Vallejo

Post Office	Vallejo
Division	Solano
Pincode	94589

Vallejo

Post Office	Vallejo
Division	Solano
Pincode	94592

Total Post Office (4) Page 1 of 1

Zip Codes in Vallejo, California

Zip Code list in Solano for your selected city Vallejo is shown below. Use these ZIP Codes to ensure accurate mail delivery, business operations, or location reference.

About Vallejo, California ZIP Codes

Vallejo is located in Solano County, California. The United States Postal Service (USPS) assigns multiple ZIP Codes in this region to simplify mail distribution, navigation, and address identification. Each ZIP Code in Vallejo covers a specific neighborhood or area, which is important for residents, businesses, and government offices. Having the correct ZIP Code ensures smooth delivery of letters, online orders, and official documents.

Why Knowing the ZIP Code is Important?

Ensures accurate and timely mail delivery
Helps businesses and eCommerce platforms verify addresses
Useful for demographic research and census data
Required for utilities, banking, and government services

Frequently Asked Questions (FAQs) about Vallejo ZIP Codes

The primary ZIP Code for Vallejo, California depends on the specific neighborhood. Use our list above to find the correct code.

Vallejo has multiple ZIP Codes covering different areas of the city. Check the table above for the complete list.

You can use our ZIP Code lookup tool by selecting the city, county, and state to locate the right code for your address.

All ZIP Codes in Vallejo are assigned and managed by the United States Postal Service (USPS) for accurate mail sorting and delivery.

Yes, in many cases a single ZIP Code can cover more than one neighborhood or locality in Vallejo to simplify mail distribution.

ZIP Codes usually remain stable for decades, but USPS may introduce new codes or adjust boundaries when population grows or new delivery routes are added in Vallejo.