Yes, what you're seeing are numbers from your birth date. It's not uncommon to notice those numbers more than other numbers that are unrelated to one's numerology chart.

When a person wonders if seeing the numbers has special meaning, that's when the numbers begin to be seen even more often. The mind doesn't like mysteries and tends to direct the consciousness' focus to anything that might help resolve it — which includes the number or numbers to which the mystery is bound.

The index to repetitive numbers has links to articles with more explanation about the mechanism.

The index for responses to questions about number meanings contains many, many questions asked about seeing certain numbers repetitively. Scan the titles and know you're not alone.