First three digits · California
ZIP Codes Starting with
16 ZIP codes start with 927, sorted at the Santa Ana, CA (SCF 926) sectional center (USPS labeling list L005, effective October 1, 2026) in California: 9 residential ZIP codes across 1 county and 7 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 927 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, 927, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 927 to the Santa Ana, CA (SCF 926) facility. The last two digits pick the delivery area. By residents, the largest town names among the 927 ZIP codes are Santa Ana, Tustin and Fountain Valley.
The same facility sorts 2 prefixes, 78 ZIP codes in all: 926, 927.
Where are the 927 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 927
| County | ||||||
|---|---|---|---|---|---|---|
| 92701 | Santa Ana | Orange County | 47,818 | 14,827 | $71k | $661k |
| 92702 | Santa Ana | Orange County | PO Box or unique | – | – | – |
| 92703 | Santa Ana | Orange County | 62,447 | 14,721 | $84k | $619k |
| 92704 | Santa Ana | Orange County | 82,120 | 11,087 | $100k | $700k |
| 92705 | Santa Ana | Orange County | 48,781 | 4,139 | $129k | $1.2M |
| 92706 | Santa Ana | Orange County | 37,175 | 10,501 | $103k | $894k |
| 92707 | Santa Ana | Orange County | 58,695 | 11,233 | $105k | $681k |
| 92708 | Fountain Valley | Orange County | 56,258 | 6,181 | $115k | $1.07M |
| 92711 | Santa Ana | Orange County | PO Box or unique | – | – | – |
| 92712 | Santa Ana | Orange County | PO Box or unique | – | – | – |
| 92728 | Fountain Valley | Orange County | PO Box or unique | – | – | – |
| 92735 | Santa Ana | Orange County | PO Box or unique | – | – | – |
| 92780 | Tustin | Orange County | 54,374 | 8,667 | $101k | $862k |
| 92781 | Tustin | Orange County | PO Box or unique | – | – | – |
| 92782 | Tustin | Orange County | 30,073 | 5,817 | $146k | $1.15M |
| 92799 | Santa Ana | Orange County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.