ZIP Code 93421
93421 is one of California's ZIP codes, delivering to addresses in Arroyo Grande, San Luis Obispo County.
- City
- Arroyo Grande
- County
- San Luis Obispo County
- State
- California
- Prefix
- 934xx
Where this code sits
93421 is part of the 934xx range, the group of codes handled by one mail processing centre. Arroyo Grande is served by 2 ZIP codes in total; the full list, with the county each falls in, is on the Arroyo Grande page.
Arroyo Grande California ZIP codes →
Area codes over the same ground
Postal and telephone geography are drawn separately, so these codes cover the area 93421 delivers to without sharing its boundary.
ZIP codes nearest 93421
| ZIP code | Distance | Delivers to |
|---|---|---|
| ZIP code 93433 | 1.5 mi | Grover Beach, CA |
| ZIP code 93445 | 1.5 mi | Oceano, CA |
| ZIP code 93475 | 1.7 mi | Oceano, CA |
| ZIP code 93483 | 1.7 mi | Grover Beach, CA |
| ZIP code 93448 | 3.3 mi | Pismo Beach, CA |
| ZIP code 93449 | 4.4 mi | Pismo Beach, CA |
| ZIP code 93409 | 7.5 mi | San Luis Obispo, CA |
| ZIP code 93420 | 7.8 mi | Arroyo Grande, CA |
Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Scope ZIP code 93421. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . A ZIP code is a set of delivery routes, not an area; the point shown is a record coordinate, not a centre.