Maventa supported countries and identifiers used in registration:
Finland: OVT/EIA - prefix 0037 e.g. 0037:003712345678
Norway: Organisation number - prefix 0192 e.g. 0192:123456789
Ruotsi: Organisation number - prefix 0007
Denmark: CVR - prefix 9902
Netherlands: KVK tai VAT number (prefix 0106 or 9944 depending which is used to register company account to Maventa)
OpenPeppol has membership from 42 countries and certified Access points in 37 countries:
There are OpenPeppol members in 42 countries in total. 32 countries in Europe plus Australia, Canada, China, India, Japan, Malaysia, Mexico, New Zealand, Singapore and USA.
OpenPeppol has Certified Access Points in 29 European countries plus Australia, Canada, China, Japan, New Zealand, Singapore and USA, with Peppol Authorities placed in 18 countries.
You can read about the different country profiles from this link.
You can find PEPPOL's code list with the prefixes of different countries (ICD value) and other technical information from this page by clicking Participant Identifier Schemes > as HTML.