First three digits · California
ZIP Codes Starting with
30 ZIP codes start with 939, sorted at the San Jose, CA (SCF 950) sectional center (USPS labeling list L005, effective October 1, 2026) in California: 25 residential ZIP codes across 1 county and 5 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 939 mean?
The first digit, 9, is one of ten national areas (Alaska, California, Hawaii, Oregon, Washington, American Samoa, Guam, Northern Mariana Islands, Marshall Islands, Micronesia, Palau and Armed Forces Pacific). The first three, 939, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 939 to the San Jose, CA (SCF 950) facility. The last two digits pick the delivery area. By residents, the largest town names among the 939 ZIP codes are Salinas, Monterey, Seaside, Marina, Soledad and Greenfield.
The same facility sorts 3 prefixes, 148 ZIP codes in all: 939, 950, 951.
Where are the 939 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 939
| County | ||||||
|---|---|---|---|---|---|---|
| 93901 | Salinas | Monterey County | 29,724 | 3,101 | $91k | $788k |
| 93902 | Salinas | Monterey County | PO Box or unique | – | – | – |
| 93905 | Salinas | Monterey County | 63,898 | 6,915 | $80k | $616k |
| 93906 | Salinas | Monterey County | 64,199 | 4,842 | $98k | $639k |
| 93907 | Salinas | Monterey County | 25,146 | 461 | $105k | $750k |
| 93908 | Salinas | Monterey County | 12,450 | 52 | $156k | $1.09M |
| 93912 | Salinas | Monterey County | PO Box or unique | – | – | – |
| 93915 | Salinas | Monterey County | PO Box or unique | – | – | – |
| 93920 | Big Sur | Monterey County | 1,464 | 9 | $77k | $1.91M |
| 93921 | Carmel By The Sea | Monterey County | 2,322 | 2,439 | $97k | $2M+ |
| 93922 | Carmel | Monterey County | PO Box or unique | – | – | – |
| 93923 | Carmel | Monterey County | 12,565 | 62 | $143k | $1.77M |
| 93924 | Carmel Valley | Monterey County | 6,316 | 34 | $149k | $1.22M |
| 93925 | Chualar | Monterey County | 1,241 | 25 | $73k | $679k |
| 93926 | Gonzales | Monterey County | 8,724 | 130 | $78k | $622k |
| 93927 | Greenfield | Monterey County | 21,574 | 103 | $83k | $532k |
| 93928 | Jolon | Monterey County | 1,175 | 31 | – | – |
| 93930 | King City | Monterey County | 17,243 | 50 | $76k | $445k |
| 93932 | Lockwood | Monterey County | 482 | 6 | $134k | $793k |
| 93933 | Marina | Monterey County | 28,122 | 2,634 | $100k | $834k |
| 93940 | Monterey | Monterey County | 30,605 | 871 | $106k | $1.1M |
| 93942 | Monterey | Monterey County | PO Box or unique | – | – | – |
| 93943 | Monterey | Monterey County | 10 | 49 | – | – |
| 93944 | Monterey | Monterey County | 2,665 | 7,908 | – | – |
| 93950 | Pacific Grove | Monterey County | 14,951 | 5,324 | $106k | $1.19M |
| 93953 | Pebble Beach | Monterey County | 3,613 | 446 | $143k | $2M+ |
| 93954 | San Lucas | Monterey County | 191 | 3 | $60k | $340k |
| 93955 | Seaside | Monterey County | 32,266 | 1,227 | $85k | $788k |
| 93960 | Soledad | Monterey County | 27,471 | 158 | $96k | $595k |
| 93962 | Spreckels | Monterey County | 174 | 1,426 | – | $844k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.