Norwegian addresses use a four-digit postcode before the city and put the house number after the street. Posten and Bring route on the postcode, and low-numbered Oslo codes keep a leading zero that forms often drop. Here is the format and how to validate it.
A Norwegian label is recipient, the street with the number after it, then the postcode and city on one line, then the country.
Ola Nordmann personal or business recipientKarl Johans gate 12 street name, then the number0154 Oslo 4-digit postcode, then the cityNORWAY required for inbound international shipmentsThe four-digit postcode is Posten's core routing field and precedes the city. Oslo and other low-numbered areas keep a leading zero that must be preserved.
Format: Four digits (0154), written before the city on the same line.
Validation regex: ^\d{4}$
Watch for: a dropped leading zero on Oslo-area codes (0154 becoming 154).
The country-specific rules that generic autocomplete and single-line address fields tend to get wrong.
Central Oslo postcodes begin with a zero (0154). A form that treats the postcode as a number and drops the zero produces an invalid code.
Norwegian addresses write the street then the number: Karl Johans gate 12. Number-first order is read wrong.
Posten routes on the postcode, not a fylke (county). Adding a region field only clutters the label.
Norwegian street types like gate, vei, and plass are lowercase and part of the street name; keep the recipient's spelling.
Each of these passes a basic "is this field filled in" check but fails at the carrier, turning into a redelivery, a return, or an address correction fee.
154 instead of 0154 is not a valid Oslo code.12 Karl Johans gate is read as an unknown address.How the major carriers handle Norway addresses, and what your label needs to satisfy each one.
The national postal operator and its logistics arm. Routing is four-digit-postcode driven, so a valid code with its leading zero is the field to get right.
Major parcel and last-mile carriers for Norwegian ecommerce. They expect the street-then-number order and a clean postcode and city.
International carriers for inbound shipments. Include the country line; an accurate postcode avoids routing delays.
Address Guard checks Norway addresses against carrier and postal databases before the order ships, normalizes the format, and flags the errors that cause failed deliveries. 240+ countries, $0.05 per check.
Part of the Address Guard international address format guide, covering 240+ countries.