Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to call the united states from switzerland [title] Start with 001. [step] The international code for making calls from switzerland is 00. Follow this with 1, the country code for reaching the united states.

Ending1: [substeps] On most cell phones, you can use the + button instead of the international code. To reach the united states from anywhere in the world, press + 1. Ending2: If you live in an area outside of the us, dial 00 instead if you live in another country or if you reside in several countries. [substeps] You can call the united states from any landline in switzerland but most swiss phones have a " 00 " sound, which is replaced by swiss code. Ending3: Check the country code phone book to make sure that it is specific to switzerland. [substeps] To find the country code for a region, pull up a map from the internet, or take a map to your local map shop and look it up. Ending4: Use a dial-up phone if you do not already have one, and dial every preset number at the beginning of the message. [substeps] The phone number for switzerland is 011.

Answer format: ending1/ending2/ending3/ending4