A.3 Example of PLMN Colour Codes (NCCs) for the European region
23.0033GPPNumbering, addressing and identificationRelease 18TS
Austria : 0
Belgium : 1
Cyprus : 3
Denmark : 1
Finland : 0
France : 0
Germany : 3
Greece : 0
Iceland : 0
Ireland : 3
Italy : 2
Liechtenstein : 2
Luxembourg : 2
Malta : 1
Monaco : 3 (possibly 0(=France))
Netherlands : 0
Norway : 3
Portugal : 3
San Marino : 0 (possibly 2(= Italy))
Spain : 1
Sweden : 2
Switzerland : 1
Turkey : 2
UK : 2
Vatican : 1 (possibly 2(=Italy)
Yugoslavia : 3
This allows a second operator for each country by allocating the colour codes n (in the table) and n + 4. More than 2 colour codes per country may be used provided that in border areas only the values n and/or n+4 are used.
Annex B (normative):
IMEI Check Digit computation