Exchange rate 1 USD = 22 CZK. 1 euro = 28 CZK. Taxi AAA - Tel : 33113311. Halo Taxi - Tel : 44114411. Profi Taxi - Tel : 1035. Radio Taxi - Tel : 24916666. Emergency numbers - Ambulance - tel : 155. - Czech Police - tel : 158. - Prague Police - tel : 156. - General Information - tel : 544444 / 187. Pharmacies - Palackeo 5 - Pra 1. Tel : 24946982. - Belgicka 37 - Pra 2. Tel : 22513396. - Soukalova 3355 - Pra 4. Tel : 4021638. - Stefanikova 6 - Pra 5. Tel : 57320918. - Heydukova 10 - Pra 8. Tel : 66310899. Post Office - Prague's Central Post Office Jindrisska 14 - Pra 1. Tel : 21131111. Metro : Mustek A - B - Hours 7 a.m. - 8 p.m. - Official Post Office (24 hours) Hybernska 15 - Pra 1. Tel : 24219714. Metro : Namestd Republiky B Hours 12.30 a.m. - 11.30 p.m.