zip4lookup

ZIP Codes in Fontana, CA

Fontana uses 3 ZIP codes, all in San Bernardino County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.

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All 3 Fontana ZIP codes

ZIPTypeCountyPopulation
92335 standard San Bernardino 97,511
92336 standard San Bernardino 105,517
92337 standard San Bernardino 36,026

Finding a ZIP+4 in Fontana

Knowing which of these 3 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Fontana street almost always have different ZIP+4 codes even though they share all five leading digits.

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