How do I calculate a Lewiston trip total?

Use the GSA per diem calculator with California and this ZIP or locality selected. Lodging is per night; M&IE is 100% on full days and 75% on the first and last calendar days.

Lewiston per diem rates

Q: What is the GSA per diem rate for Lewiston?

GSA does not list Lewiston as its own key city. ZIP 96052 maps to standard CONUS: $68 M&IE and peak lodging $110.

Trinity County · ZIP 96052 · FY 2026

Official travel to Lewiston in Trinity County (sample ZIP 96052) is not its own GSA key city. GSA maps this ZIP to the standard CONUS rate for California : $68 M&IE and peak lodging $110.

First and last travel days use 75% of M&IE ($51). Lodging is a monthly maximum (before tax). Statewide default CONUS is $110 lodging + $68 M&IE when no higher locality applies.

Assigned M&IE: $68
Peak lodging: $110

Calculate Lewiston per diem All CA localities

Example: 3-night trip in Lewiston

Four travel days at the assigned standard CONUS caps: two at 75% M&IE and two at 100%, plus three nights at peak lodging $110.

Lodging: 3 × $110 = $330
M&IE: 2 × $51 + 2 × $68 = $238
Estimated total: $568

Frequently asked questions

What is the GSA per diem rate for Lewiston?

GSA does not publish a separate key-city rate named Lewiston. ZIP 96052 maps to standard CONUS: $68 M&IE and peak lodging $110.

How do I calculate a trip to Lewiston?

Open the GSA calculator with this locality selected, or enter ZIP 96052. First and last days are 75% of M&IE.

Other cities in Trinity County

Nearby California high-cost localities

Planning aid only · ZIP maps to a GSA destination ID · Methodology