Moraga California ZIP Codes

Moraga holds 3 ZIP codes, all inside one county and one postal prefix.

Every ZIP code in Moraga

The complete list of Moraga, California ZIP codes with the county each falls in.
ZIP codeCounty
94556Contra Costa County
94570Contra Costa County
94575Contra Costa 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Moraga codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Moraga. 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 Moraga ZIP code begins 945. Those first three digits identify the sectional center facility that processes mail for this part of California. Statewide that range covers 93 ZIP codes, so Moraga accounts for 3% of it.

Every California ZIP prefix and the region it covers →

Area codes covering Moraga

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

Moraga California area codes in full →

Where Moraga's ZIP codes sit

Each point is one Moraga ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Moraga

The closest places to Moraga with their own ZIP code list, nearest first.
CityDistanceZIP codes
Lafayette California ZIP codes3.1 mi1 ZIP code
Orinda California ZIP codes3.5 mi1 ZIP code
Walnut Creek California ZIP codes6.0 mi4 ZIP codes
Alamo California ZIP codes6.0 mi1 ZIP code
Piedmont California ZIP codes6.0 mi1 ZIP code
Oakland California ZIP codes7.7 mi26 ZIP codes
Pleasant Hill California ZIP codes7.9 mi1 ZIP code
Danville California ZIP codes8.7 mi2 ZIP codes

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