Arroyo Grande California ZIP Codes

Arroyo Grande holds 2 ZIP codes, all inside one county and one postal prefix.

Every ZIP code in Arroyo Grande

The complete list of Arroyo Grande, California ZIP codes with the county each falls in.
ZIP codeCounty
93420San Luis Obispo County
93421San Luis Obispo County

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Arroyo Grande codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Arroyo Grande. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Arroyo Grande ZIP code begins 934. Those first three digits identify the sectional center facility that processes mail for this part of California. Statewide that range covers 53 ZIP codes, so Arroyo Grande accounts for 4% of it.

Every California ZIP prefix and the region it covers →

Area codes covering Arroyo Grande

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Arroyo Grande occupies.

Arroyo Grande California area codes in full →

Where Arroyo Grande's ZIP codes sit

Each point is one Arroyo Grande ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Arroyo Grande

The closest places to Arroyo Grande with their own ZIP code list, nearest first.
CityDistanceZIP codes
Grover Beach California ZIP codes2.0 mi2 ZIP codes
Pismo Beach California ZIP codes5.4 mi2 ZIP codes
San Luis Obispo California ZIP codes11 mi8 ZIP codes
Guadalupe California ZIP codes11 mi1 ZIP code
Santa Maria California ZIP codes15 mi5 ZIP codes
Morro Bay California ZIP codes23 mi2 ZIP codes
Atascadero California ZIP codes26 mi2 ZIP codes
Lompoc California ZIP codes33 mi3 ZIP codes

Straight-line distance between place reference points, not driving distance.