What zones are covered by a Travelcard?

Related questions

1. What is Oyster card in London?
2. Can you give your Oyster card back?
3. What is a TfL travel charge?
4. Is Walton on Thames in Oyster zone?
5. What are the zones in London?
6. What does a travel card cover in London?
7. Can I use Oyster on TfL rail?
8. Can I return Oyster card to Heathrow?
9. Can I use Oyster card on national rail?
10. How do I get my oyster deposit back?

Tags

1. #north
2. #underground
3. #throughout
4. #stretching
5. #london
6. #valid
7. #airport
8. #travelcard
9. #enormous
10. #enfield
11. #cover
12. #croydon
13. #train
14. #heathrow
15. #unlimited
16. #tramlink
17. #upminster
18. #journeys
19. #zones
20. #south