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Why do websites need to ask for your city, country, and state, when they can figure it all out through your zipcode?

Dr. Aris Thorne
Dr. Aris Thorne
Senior Science Editor · Mar 26, 2026 · Updated Apr 13, 2026

That pretty much is a thing of "laziness" (also known as "costs"): Its much cheaper to put multiple inputs there instead of maintaining (or at least buying) a catalogue of all zips mapping to the required information. EDIT: Source: I work in software development

44
Words

1 min
Read Time

#354
of 500 in Technology

-41%
vs Category Avg

The Short Answer

That pretty much is a thing of "laziness" (also known as "costs"): Its much cheaper to put multiple inputs there instead of maintaining (or at least buying) a catalogue of all zips mapping to the required information. EDIT: Source: I work in software development

Analysis

Key Concepts: Pretty, laziness, known

This explanation focuses on pretty, laziness, known and spans 44 words across 2 sentences. At 41% below the average Technology explanation (75 words), the answer takes a direct, no-frills approach — sometimes the simplest explanation is the most effective.

What This Answer Covers

This is a focused, single-point answer that gets directly to the core of the question without detours.

How This Compares in Technology

Ranked #354 of 500 Technology questions by answer depth (top 72%). This is in the concise tier — a focused explanation that prioritizes clarity over exhaustiveness. Many readers prefer this level of directness.

Frequently Asked Questions

Is there a simple explanation for why websites need to ask for your city, country, and state, when they can figure it all out through your zipcode?

That pretty much is a thing of "laziness" (also known as "costs"): Its much cheaper to put multiple inputs there instead of maintaining (or at least buying) a catalogue of all zips mapping to the required information. EDIT: Source: I work in…

How detailed is this explanation compared to similar Technology questions?

This is a focused answer at 44 words, ranked #354 of 500 Technology questions by depth. The key concepts covered are pretty, laziness, known.

What approach does this answer take to explain websites need to ask for your city, country, and state, when?

The explanation uses direct explanation across 44 words. It is categorized under Technology and addresses the question through 1 analytical lens.