91903 ZIP Code
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ZIP code 91903 covers Alpine, California. It has no Census ZIP Code Tabulation Area, which is how the Census Bureau treats ZIP codes that are not residential neighbourhoods — PO box-only ranges, military addresses, and codes assigned to a single large organisation. There are no population or income figures for it because nobody is counted as living there.
- Time zone
- Pacific UTC-08:00observes daylight saving time
- Businesses
- 8
Where 91903 is
Alpine, California — the point the Postal Service gives for this ZIP code. A ZIP code is a set of delivery routes rather than an area, so this marks its centre, not its boundary.
Business and employment
Census ZIP Code Business Patterns 2022
| Business establishments | 8 |
|---|---|
| People employed | 28 |
| Annual payroll | $1,980,000 |
Climate
NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.
| Weather station | ALPINE, CA US1 km away |
|---|---|
| Rain in a year | 16 in |
Average high and low by month
| January | 63.9°F / 42.5°F3.21 in rain |
|---|---|
| February | 64.2°F / 42.3°F3.65 in rain |
| March | 67.2°F / 44.4°F2.73 in rain |
| April | 70.7°F / 46.9°F1.18 in rain |
| May | 74.4°F / 50.8°F0.57 in rain |
| June | 81.2°F / 54.3°F0.13 in rain |
| July | 86.7°F / 60.2°F0.1 in rain |
| August | 88.9°F / 62.2°F0.12 in rain |
| September | 85.9°F / 60.3°F0.25 in rain |
| October | 78.3°F / 54°F0.59 in rain |
| November | 70.6°F / 47.6°F1.48 in rain |
| December | 63.1°F / 41.5°F2.04 in rain |
Nearby ZIP codes
The closest ZIP codes by centre point, which is not the same as sharing a border.
| 91901 Alpine, CA | 1.4 km away |
|---|---|
| 92040 Lakeside, CA | 14.5 km away |
| 91935 Jamul, CA | 14.6 km away |
| 92021 El Cajon, CA | 14.7 km away |
| 92019 El Cajon, CA | 15.6 km away |
| 91916 Descanso, CA | 15.9 km away |
| 92022 El Cajon, CA | 18.9 km away |
| 92020 El Cajon, CA | 19.3 km away |
Location, counties and time zone
County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.
| Time zone | Pacific (UTC-08:00 standard) |
|---|---|
| Daylight saving time | Observed |
| Latitude, longitude | 32.8351, -116.7664 |
Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.