[mothered]

Just adding to this, In terms of public records vs records available via premium services, the latter (premium) Is certainly more superior but public records may also be just as effective.

For example, there's heaps of public reverse number lookups- some reveal only the first few numbers, others reveal the last few, whilst others show numbers In between. Piece the Info together from all available sources, and what once appeared as somewhat futile Information, can be formed Into a complete phone number.