På postkontoret står hun ved skranken og leser hentekoden høyt for den ansatte.

This is because Norwegian main clauses usually follow the V2 rule: the finite verb comes in the second position.

So when the sentence starts with På postkontoret (At the post office), that counts as the first element. The verb must then come next:

• På postkontoret står hun ...

If you started with the subject instead, you would get:

• Hun står ved skranken ...

Both are correct, but they have different emphasis. Starting with På postkontoret puts the location first.

This is mostly an idiomatic preposition choice.

In Norwegian, på is often used with institutions and places where an activity happens, for example:

• på skolen
• på sykehuset
• på kontoret
• på postkontoret

So på postkontoret means something like at the post office.

By contrast, i often focuses more on being physically inside something. In some contexts i postkontoret might sound possible, but på postkontoret is the normal, natural choice here.

Yes. Norwegian often uses a structure like står og + verb to describe someone doing something while standing.

So:

• står ... og leser = is standing ... and reading

This can sound very natural in Norwegian when you want to describe the scene more vividly.

Also, Norwegian does not usually need a special form like English is reading. The ordinary present tense often covers both:

• hun leser = she reads / she is reading

Adding står og makes the physical situation clearer: she is standing there reading.

Ved means by, next to, or at.

So:

• ved skranken = at the counter

This is the natural preposition because she is positioned by the service counter.

Compare:

• ved skranken = at/by the counter
• på skranken = on top of the counter
• i skranken = inside the counter, which normally does not make sense

So ved is the correct choice here.

Hentekoden is a compound noun.

It is built from:

• hente = fetch / pick up
• kode = code

Together:

• hentekode = pickup code / collection code

Then Norwegian adds the definite ending to the last part of the compound:

• en hentekode = a pickup code
• hentekoden = the pickup code

This is very common in Norwegian: compounds are usually written as one word.

Høyt is the adverb form here, meaning aloud or loudly.

The related adjective is:

• høy = high

But in expressions about speaking or reading, høyt often means out loud:

• lese høyt = read aloud
• snakke høyt = speak loudly

So leser hentekoden høyt means she reads the code out loud.

That word order is very natural in Norwegian.

Here the pattern is:

• verb + object + adverb

So:

• leser hentekoden høyt

This is similar to saying:

• reads the pickup code aloud

You can also have:

• leser høyt = reads aloud

when there is no object. But once the object is there, putting høyt after it is very normal.

With lese høyt (read aloud), Norwegian often uses for to show the person who is listening:

• lese høyt for noen = read aloud to someone / for someone

So:

• leser hentekoden høyt for den ansatte

is the idiomatic way to say that the employee is the person hearing it.

Til is possible in some situations with speech or direction, but here for is the more natural choice.

Here it is singular.

Ansatt means employee. In this phrase:

• den ansatte = the employee

You can tell it is singular because of den.

Useful comparison:

• en ansatt = an employee
• den ansatte = the employee
• ansatte = employees
• de ansatte = the employees

So even though ansatte can also be a plural form in other contexts, here den makes it clear that it means the employee.

Because both verbs share the same subject.

In:

• står hun ved skranken og leser hentekoden ...

the subject hun belongs to both står and leser.

This is normal in Norwegian, just as in English:

• She stands at the counter and reads the code aloud.

You do not need to repeat the subject unless you are starting a new clause for emphasis or clarity.

Yes. That would also be correct.

Compare:

• På postkontoret står hun ved skranken ...
• Hun står ved skranken på postkontoret ...

The difference is mostly emphasis:

• På postkontoret ... puts the location first
• Hun ... puts the person first

Because of the V2 rule, when På postkontoret comes first, the verb must come before the subject: står hun.