ZIP code 91951
Where is ZIP code 91951?
National City, California
San Diego County · PO Box only ZIP code
ZIP code 91951 belongs to National City, California in San Diego County. 91951 is a PO Box only ZIP code: it is used for post office boxes at the National City post office, not for street addresses. It is in the Pacific Time zone and uses area code 619. The closest ZIP codes are 91950 (National City, 0.6 mi east), 92136 (San Diego, 1.4 mi west) and 92113 (San Diego, 1.6 mi northwest).
| ZIP code | 91951 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | National City |
| State | California (CA) |
| County | San Diego County |
| Time zone | Pacific Time · now |
| Area code | 619 |
| Coordinates | 32.6781, -117.0992 map |
| 3-digit prefix | 919 |
The Census Bureau doesn’t publish population figures for po box only ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
ZIP codes near 91951
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 91950 | National City, CA | 0.6 mi E | Standard |
| 92136 | San Diego, CA | 1.4 mi W | Unique |
| 92113 | San Diego, CA | 1.6 mi NW | Standard |
| 91909 | Chula Vista, CA | 2.8 mi S | PO Box only |
| 91912 | Chula Vista, CA | 2.8 mi S | PO Box only |
| 91921 | Chula Vista, CA | 2.8 mi S | PO Box only |
| 92102 | San Diego, CA | 2.8 mi NW | Standard |
| 92139 | San Diego, CA | 3 mi E | Standard |
| 92132 | San Diego, CA | 3.3 mi SW | Unique |
| 92114 | San Diego, CA | 3.3 mi NE | Standard |
| 91910 | Chula Vista, CA | 3.4 mi SE | Standard |
| 92155 | San Diego, CA | 3.9 mi W | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 91951 or measure the distance to another ZIP code.
How to address mail to 91951
PO BOX 123
NATIONAL CITY CA 91951
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (91951-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in National City, CA
All National City ZIP codes with population and income →
Questions
- What city is ZIP code 91951?
- 91951 is a National City, California ZIP code.
- What county is 91951 in?
- ZIP code 91951 is in San Diego County, California.
- What time zone is ZIP code 91951 in?
- 91951 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 91951?
- Phone numbers in ZIP code 91951 use area code 619.
- Can I use 91951 for a street address?
- No. 91951 is only for PO Boxes. Street addresses in National City use 91950.
- What ZIP codes are near 91951?
- The nearest ZIP codes to 91951 are 91950 (National City, 0.6 miles), 92136 (San Diego, 1.4 miles), 92113 (San Diego, 1.6 miles) and 91909 (Chula Vista, 2.8 miles).