- Canada
- Our International Organization
- The Official Billings Ovulation Method® site (Australia)
- United States
British Columbia
Atlantic Provinces
woombns@gmail.com
billingslifeNS
1020 River Rd.,
Churchville, N.S. B0K
1B0
Ontario
president@naturalfamilyplanning.ca
877-637-5486
279 Johnson St.
Kingston, ON K7L 1Y5