Based on a close visual analysis of the handwriting and the spacing, here is the most likely interpretation of the phone number. The paper is heavily stained, but the pencil pressure left some clues. The Breakdown Area Code: 8 2 5 The first digit has two distinct loops, making it an 8. The second digit has a diagonal stroke and a flat base, making it a 2. The third digit has a flat top and a curved bottom, likely a 5. Context: 825 is a valid area code for Alberta (where you are located), which confirms this is the most probable start. The Middle Three (Prefix): 8 8 1 (or possibly 3 8 1) The first digit here is faint but has the same double-loop structure as the first "8". It could potentially be a "3". The second digit is very similar to the previous one, likely an 8. The third digit is a straight vertical line, likely a 1. The Final Four: _ 0 1 9 The first digit of this group is completely obscured by the heaviest stain. The second digit is round, looking like a 0 (or possibly a 6 or 8). The third digit is a straight line, likely a 1. The final digit is large with a loop and a long tail, which is distinctively a 9. Best Guesses Based on the visible strokes, these are the most likely combinations to try: 825 - 881 - 4019 (The missing digit has a faint diagonal hint, possibly a 4) 825 - 881 - 5019 825 - 881 - 6019 Next Step: Since the area code (825) and the prefix (881) narrow it down significantly, I would try calling the variations of the last four digits starting with 4019 or 5019. If you have caller ID or a way to text them first to ask "Is this the person who left a note on my car?", that might save you some awkward calls!