Number ranges for GTINs (EANs)

Hello gurus,

one simple question concerning number ranges for GTINs (transaction W4EN):

According to http://en.wikipedia.org/wiki/List_of_GS1_country_codes, the following prefixes were defined for GTINs:

000-139: GTINs from the US and Canada

200-299: GTINs for internal use ("Instore-EANs", internal numbering)

300-999: Other countries and uses

Thus, I would need one number range (e.g. 200000000000-299999999999) for our internally used GTINs (EAN Category IE "Instore EANs").

But I would need two number ranges for "normal" EANs (EAN Category "Manufacturer EANs"), for example 000000000000-139999999999 and 300000000000-999999999999.

Of course, this is not possible, because only one number range can be assigned to every EAN category.

Any ideas on this? Sure, I could define two EAN categories for manufacturer EANs, but I am wondering if there is a better solution.

Cheers

Alicia