Hi,
whats´s the purpose of using different range numbers? To identify who´s a field executive,a field manager... ?
If so, instead using different range numbers, use a single range and create as many partners functions as needed. For example Z1 for field executive, Z2 for Field manager etc... Check in custo part related to partner so you can even combine several of them in a sales order. Create master data via XD01.
Regards,
JM