San Diego County, located in the state of California, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to San Diego County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
91901
91950
91945
92036
92037
92109
92111
92093
92120
92119
92169
92192
92030
92066
92153
92166
92136
91946
92013
92175
92191
91931
92199
91911
92004
92020
91941
91943
92007
92102
92064
92061
92116
92196
92132
91963
92051
92052
92055
92158
92179
92197
92022
92023
91932
92018
92027
91914
91978
92105
92108
92058
92085
92114
92173
92176
92592
92672
92039
92134
92060
91910
92008
92011
92014
92024
91977
92009
92101
92069
92081
92067
92110
92138
92113
92126
92130
92117
92127
92152
92195
92072
92159
92174
92046
92142
92074
92049
92068
91917
92096
91908
91915
92028
92029
92054
91951
91916
91962
91976
92103
92131
92079
92143
92170
92171
92168
91980
92165
92160
91906
91942
92040
91934
92083
92084
92104
92065
92059
92086
92122
92123
92115
92150
92163
91912
91944
92137
92167
91903
91902
92021
92025
92010
92019
92003
92071
92056
92075
92078
92088
92107
92070
92121
92124
92128
92129
92118
92154
92172
92536
92112
91905
92178
92147
92193
92155
92145
92135
91913
92026
91933
92033
91921
92038
91935
92082
92091
92057
92106
92139
92140
92198
92177
91979
92149
92092
92182
91948
92161

To know more about San Diego County, click the button below:

San Diego County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in San Diego County County?

There are approximately 180 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in San Diego County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.