Plain

County ZIP codes · California · FIPS 06079

San Luis Obispo County, CA ZIP Codes

San Luis Obispo County, California has 39 ZIP codes (Census 2020 ZCTA-county file; GeoNames postal codes, October 2026): 28 residential and 11 for PO boxes or a single organization. 23 of the residential ones lie mainly in San Luis Obispo County and 5 mainly in a neighboring county; 6 cross the county line. Median household income ranges from $43,947 in 93252 (Maricopa) to $129,259 in 93465 (Templeton) (Census Bureau, ACS 2020-2024).

  • ACS2020-24
  • Census2020

Where are the ZIP codes of San Luis Obispo County?

93252 · Maricopa: $44k93254 · New Cuyama: $61k93401 · San Luis Obispo: $97k93402 · Los Osos: $109k93405 · San Luis Obispo: $60k93407 · San Luis Obispo: –93409 · San Luis Obispo: –93410 · San Luis Obispo: –93420 · Arroyo Grande: $111k93422 · Atascadero: $92k93424 · Avila Beach: –93426 · Bradley: $103k93428 · Cambria: $100k93430 · Cayucos: $90k93432 · Creston: $147k93433 · Grover Beach: $87k93442 · Morro Bay: $96k93444 · Nipomo: $111k93445 · Oceano: $72k93446 · Paso Robles: $98k93449 · Pismo Beach: $118k93451 · San Miguel: $98k93452 · San Simeon: $55k93453 · Santa Margarita: $78k93454 · Santa Maria: $82k93461 · Shandon: $93k93465 · Templeton: $129k9345393252934469345193254934549346193426934209345293405934659343293428934229343093444934429342493252 · Maricopa: $44k93254 · New Cuyama: $61k93401 · San Luis Obispo: $97k93402 · Los Osos: $109k93405 · San Luis Obispo: $60k93407 · San Luis Obispo: –93409 · San Luis Obispo: –93410 · San Luis Obispo: –93420 · Arroyo Grande: $111k93422 · Atascadero: $92k93424 · Avila Beach: –93426 · Bradley: $103k93428 · Cambria: $100k93430 · Cayucos: $90k93432 · Creston: $147k93433 · Grover Beach: $87k93442 · Morro Bay: $96k93444 · Nipomo: $111k93445 · Oceano: $72k93446 · Paso Robles: $98k93449 · Pismo Beach: $118k93451 · San Miguel: $98k93452 · San Simeon: $55k93453 · Santa Margarita: $78k93454 · Santa Maria: $82k93461 · Shandon: $93k93465 · Templeton: $129k93453932529344693451932549345493461934269342093452934059346593432934289342293430934449344293252 · Maricopa: $44k93254 · New Cuyama: $61k93401 · San Luis Obispo: $97k93402 · Los Osos: $109k93405 · San Luis Obispo: $60k93407 · San Luis Obispo: –93409 · San Luis Obispo: –93410 · San Luis Obispo: –93420 · Arroyo Grande: $111k93422 · Atascadero: $92k93424 · Avila Beach: –93426 · Bradley: $103k93428 · Cambria: $100k93430 · Cayucos: $90k93432 · Creston: $147k93433 · Grover Beach: $87k93442 · Morro Bay: $96k93444 · Nipomo: $111k93445 · Oceano: $72k93446 · Paso Robles: $98k93449 · Pismo Beach: $118k93451 · San Miguel: $98k93452 · San Simeon: $55k93453 · Santa Margarita: $78k93454 · Santa Maria: $82k93461 · Shandon: $93k93465 · Templeton: $129k93453932529344693451932549345493461934269345293465
The residential ZIP codes of San Luis Obispo County (whole outlines, including the parts in neighboring counties), shaded by median household income in national fifths (ACS 2020-2024).<$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 its ZIP codes?

The middle half of its ranked ZIP codes (1,000+ people living in households) report median household incomes between $81,522 and $109,090.

They carry 23 postal town names.

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

All 28 residential ZIP codes in San Luis Obispo County

23 ZIP codes lie mainly in San Luis Obispo County; 5 more reach into it from a neighboring county and follow the first table.

Residential ZIP codes mainly in San Luis Obispo County, largest first; "In this county" is the share of the ZIP's land in the county
In this county
93446 Paso Robles 45,554 106 $98k $708k 100%
93422 Atascadero 33,002 480 $92k $738k 100%
93420 Arroyo Grande 31,345 159 $111k $918k 100%
93401 San Luis Obispo 29,202 455 $97k $973k 100%
93405 San Luis Obispo 25,002 279 $60k $950k 100%
93444 Nipomo 21,611 330 $111k $816k 100%
93402 Los Osos 14,197 512 $109k $807k 100%
93433 Grover Beach 12,600 5,823 $87k $728k 100%
93442 Morro Bay 11,571 260 $96k $919k 100%
93465 Templeton 11,039 130 $129k $870k 100%
93449 Pismo Beach 8,014 809 $118k $1.02M 100%
93410 San Luis Obispo 7,396 16,963 – – 100%
93445 Oceano 6,857 403 $72k $574k 100%
93428 Cambria 6,399 83 $100k $933k 100%
93430 Cayucos 3,125 44 $90k $1.02M 100%
93409 San Luis Obispo 2,952 7,380 – – 100%
93453 Santa Margarita 2,344 3 $78k $710k 100%
93461 Shandon 1,548 5 $93k $467k 91%
93432 Creston 1,142 14 $147k $886k 100%
93424 Avila Beach 962 48 – $1.19M 100%
93407 San Luis Obispo 347 408 – – 100%
93452 San Simeon 217 2 $55k $443k 100%
93408 San Luis Obispo 6 273 – – 100%

Partly in San Luis Obispo County

Residential ZIP codes mainly in another county that reach at least 1% into San Luis Obispo County, by their share here
In this county
93454 Santa Maria 41,896 100 $82k $525k 28%
93426 Bradley 1,564 7 $103k $458k 18%
93451 San Miguel 5,207 12 $98k $653k 15%
93254 New Cuyama 707 4 $61k $224k 8%
93252 Maricopa 1,295 3 $44k $162k 6%

Download the 39 ZIP codes as CSV

Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; county shares by land area (Census 2020 ZCTA-county relationship file).

Which ZIP codes cross the county line?

6 ZIP codes of San Luis Obispo County extend into another county. A ZIP code follows mail routes, not county borders.

Share of each ZIP code's land in San Luis Obispo County and in the neighboring counties
ZIPIn San Luis ObispoElsewhere
9345428%Santa Barbara County72%
9345115%Monterey County85%
9342618%Monterey County82%
9346191%Kern County9%
932526%Ventura County67%; Kern County18%; Santa Barbara County9%
932548%Santa Barbara County92%

Source: U.S. Census Bureau, 2020 ZCTA-county relationship file (shares of land area).

PO Box and single-organization ZIP codes

ZIP codes in San Luis Obispo County without a residential area (GeoNames postal codes)
ZIPPostal name
93403San Luis Obispo
93406San Luis Obispo
93412Los Osos
93421Arroyo Grande
93423Atascadero
93435Harmony
93443Morro Bay
93447Paso Robles
93448Pismo Beach
93475Oceano
93483Grover Beach

Source: GeoNames postal codes (CC BY 4.0).

Which first three digits do San Luis Obispo County's ZIP codes use?

The first three digits of a ZIP code name the sectional center, the mail processing plant that sorts it. San Luis Obispo County's ZIP codes use 2 prefixes: 932 and 934.

Three-digit prefixes of San Luis Obispo County'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 San Luis Obispo County's
PrefixSectional centerHereAll codes
932Bakersfield, CA (SCF 932)272
934Santa Barbara, CA (SCF 931)3753

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