here is the LONG list right out of page 164 in NJTs Special Instructions 9, effective 1-1-05: (note: this is just the scheme, all numbers in a series doesnt mean all numbers are used)
1706-1760- Low-level only Comet I trailer
5000-5010- Comet III cab
5011-5031- Comet IV cab
5100-5134- Comet I cab
5155-5169- Comet IB cab
5200-5205- Comet III trailer
5220-5234- Comet IB trailer
5235-5269- Comet IV trailer
5300-5396- Comet II trailer
5397-5403- Comet IIB trailer
5404-5415- Comet II trailer
5416-5440- Comet IIB trailer
5441-5459- Comet II trailer
5460- NC Club Car (??no idea??)
5500-5534- Comet III trailer
5535-5582- Comet IV trailer
5610-5706- Comet II trailer
5707-5751- Comet I trailer
5752-5771- Comet IIB trailer
5800-5824- Comet II trailer
6000-6199- Comet V cab
6200-6299- Comet V trailer/toilet
6500-6699- Comet V trailer
MNR cars operated by NJT:
6700-6714- Comet V cab
6750-6754- Comet V trailer/toilet
6755-6799- Comet V trailer
Arrows:
1304-1333- Single Units
1334-1533- Married Pairs
hope this helps