Fernandina Beach Florida ZIP Codes

Fernandina Beach holds 2 ZIP codes, all inside one county and one postal prefix.

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Fernandina Beach codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Fernandina Beach. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

Every Fernandina Beach ZIP code begins 320. Those first three digits identify the sectional center facility that processes mail for this part of Florida. Statewide that range covers 58 ZIP codes, so Fernandina Beach accounts for 3% of it.

Every Florida ZIP prefix and the region it covers →

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 Fernandina Beach occupies.

• 324 Area code 324
• 904 Area code 904

Fernandina Beach Florida area codes in full →

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