Random California Address Generator

California ZIP codes span the 900xx–961xx range (90001 – 96162) across 58 counties with 41 active telephone area codes (209, 213, 279, 310, etc.).

Generate a realistic, USPS Publication 28-compliant random California address with authentic postal routing, real ZIP codes, and local area codes. Featuring verified ZIP prefix coverage across 900xx–961xx, realistic street grids from Los Angeles and San Francisco, official area codes (209, 213, 279, 310), and accurate county assignments. Engineered specifically for QA automation, form validation, and software testing.

Official California Postal & Geographic Reference Specifications

California Postal Geography & Key Cities

State Capital: Sacramento | Postal Code: CA | Total Counties: 58 Counties | ZIP Prefix Range: 900xx–961xx

Verified Data Authority: California Public Utilities Commission (CPUC) & NANPA

Major municipal distribution centers:

• Los Angeles
• San Francisco
• San Diego
• San Jose
• Sacramento
• Fresno
• Long Beach
• Irvine
• Oakland

Key Counties & Administrative Jurisdictions

County boundaries dictate local sales tax jurisdictions and carrier route groupings across California:

• Los Angeles County
• San Diego County
• Orange County
• Santa Clara County
• Alameda County
• Sacramento County

Real California Area Codes (CA)

41 active numbering plan area (NPA) codes serving 58 jurisdictions across California.

Active North American Numbering Plan area codes: 209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949, 951

Postal Delivery Standards & Format Nuances in California

• Extreme directional and Spanish street suffix diversity (Camino, Paseo, Calzada, Real) combined with complex multi-jurisdiction unincorporated island designations in Los Angeles County.
• Distinctive California desert and mountain carrier routes spanning 900xx–961xx postal zones.

Standard USPS Publication 28 Test Examples for California

Residential Delivery Point:
100 Main St, Apt 4B
Beverly Hills, CA 90209-1204

Commercial / Multi-Unit Delivery Point:
California Logistics & Software Corp
500 Enterprise Way, Suite 300
Tahoe Vista, CA 96162-4810

Frequently Asked Questions about California Addresses

What ZIP codes does California use for mail and package delivery?

California (CA) operates within the 5-digit ZIP prefix range 900xx–961xx, covering numeric postal codes from 90001 – 96162. Mail routed to state capital Sacramento and key regional centers such as Los Angeles, San Francisco, San Diego adheres to these official USPS boundaries.

Which telephone area codes are valid for California?

California is served by 41 active North American Numbering Plan (NANPA) area codes: 209, 213, 279, 310, 323, 341, 350, 357, 369, 408, 415, 424, 442, 510, 530, 559, 562, 619, 626, 628, 650, 657, 661, 669, 707, 714, 738, 747, 760, 805, 818, 820, 831, 837, 840, 858, 909, 916, 925, 949, 951. Synthetic telephone numbers generated for California reflect these verified regional area code assignments across state jurisdictions.

How many counties are in California?

California is divided into 58 counties, including major administrative regions such as Los Angeles, San Diego, Orange, Santa Clara. Generated street addresses reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.

What postal formatting conventions and addressing quirks are unique to California?

Extreme directional and Spanish street suffix diversity (Camino, Paseo, Calzada, Real) combined with complex multi-jurisdiction unincorporated island designations in Los Angeles County. Distinctive California desert and mountain carrier routes spanning 900xx–961xx postal zones. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.

Are the California addresses generated on this page real places?

No. All street numbers, recipient names, and telephone numbers generated for California are entirely synthetic and randomized for software testing, database seed scripts, and form validation. While they use authentic California ZIP codes (900xx–961xx), real city names (Los Angeles, San Francisco), and verified area codes (209, 213), they do not correspond to real individuals or private residences.

Nearby & Bordering States

Explore test address generators for states sharing a geographic border with CA:

• Oregon Address Generator (OR - ZIP range: 970xx–979xx)
• Nevada Address Generator (NV - ZIP range: 889xx–898xx)
• Arizona Address Generator (AZ - ZIP range: 850xx–865xx)

California ZIP Prefixes and Sectional Center Facilities

Mail addressed to California is sorted through the processing facilities below before local delivery. The first three digits of a ZIP code identify which one, so the prefix alone places an address within the state.

These 39 prefixes cover the 900xx–961xx range. Look up any ZIP prefix to see its facility and generate valid ZIP codes inside it.

Related Postal Tools & Technical Resources

• USA Address Generator & Developer Utility Hub
• Generate California Phone Numbers with Real Area Codes
• ZIP Code Lookup & Validation (Range: 900xx–961xx)
• What California's ZIP prefixes mean (900xx–961xx) — Sectional Center Facility lookup
• Anatomy of US Postal Addresses: USPS Standardization Rules

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