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City ZIP codes · California

Carlsbad, CA ZIP Codes

6 ZIP codes use the postal name Carlsbad, California (Census 2020 ZCTAs and GeoNames postal codes, October 2026): 4 residential and 2 for PO boxes or a single organization. Median household income runs from $104,995 in 92008 to $164,182 in 92009, 1.6 times as much (Census Bureau, ACS 2020-2024). Carlsbad's most populous ZIP code is 92009, with 44,739 people (ACS 2020-2024); 100% of its land is in the city of Carlsbad.

  • ACS2020-24
  • Census2020
  • GeoNames2026

Where are Carlsbad's ZIP codes?

92008: $105k median household income92009: $164k median household income92010: $130k median household income92011: $159k median household income9200892010920099201192008: $105k median household income92009: $164k median household income92010: $130k median household income92011: $159k median household income9200892010920099201192008: $105k median household income92009: $164k median household income92010: $130k median household income92011: $159k median household income92008920109200992011
The 4 residential ZIP codes named Carlsbad, shaded by median household income in national fifths (ACS 2020-2024). Select a ZIP to open it. <$54.1k$98.1k+no figure

Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).

How different are Carlsbad's ZIP codes?

The highest median household income is in 92009 ($164,182), the lowest in 92008 ($104,995). Home values run from $1,103,300 in 92010 to $1,368,100 in 92009.

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B19013, B25077, B01003).

All 4 residential ZIP codes of Carlsbad

Residential ZIP codes with the postal name Carlsbad, CA, largest first (ACS 2020-2024); sort by any column
County
92009 San Diego County 44,739 3,672 $164k $1.37M
92008 San Diego County 27,955 2,688 $105k $1.23M
92011 San Diego County 23,190 3,547 $159k $1.3M
92010 San Diego County 18,489 2,242 $130k $1.1M

Download the 6 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; 2023 Gazetteer land areas (2020 ZCTAs); town names from simplemaps US ZIP Codes (CC BY 4.0) and GeoNames (CC BY 4.0).

PO Box and single-organization ZIP codes in Carlsbad

2 ZIP codes named Carlsbad have no residential delivery area: post office boxes, or one organization (a large employer, an agency, a university) with its own code. The Census Bureau publishes no figures for them.

Carlsbad, CA: ZIP codes without a residential area, for PO boxes or one organization (GeoNames postal codes; USPS does not publish openly which is which)
ZIPCounty
92013San Diego County
92018San Diego County

Source: GeoNames postal codes (CC BY 4.0); a ZIP code with no Census ZCTA has no residential delivery area.

Which counties do Carlsbad's ZIP codes reach?

Carlsbad's residential ZIP codes lie in San Diego County.

Which first three digits do Carlsbad's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. Every ZIP code of Carlsbad starts with 920.

Three-digit prefixes of Carlsbad's ZIP codes, the sectional center for each (USPS labeling list L005, effective October 1, 2026) and how many of the prefix's codes are Carlsbad's
PrefixSectional centerHereAll codes
920 San Diego, CA (SCF 920) 6 64

Source: U.S. Postal Service, labeling list L005 (3-digit ZIP Code prefix groups, SCF sortation), effective October 1, 2026.