German 0180 numbers are "shared-cost" services. It may not be possible to dial those numbers from other countries. Try replacing the trunk prefix 0 of the German number with country code +49.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, and many other countries use different prefixes.)
011354<phone number>
with a phone, and a number to dial
You dial Russia from the US by first dialing the numbers you dial is 011, which is the US exit code. Next, dial the number 7 and the ten digit area phone number.
If the US mobile phone is in international roaming mode, you may be able to dial its normal US number. If the phone has swapped in a UK SIM card, you will need to dial the UK number.
To dial Australia from a US cell phone, you need to first dial the international dialing code, which is 011. Then, dial the country code for Australia, which is 61. Finally, dial the Australian phone number you wish to reach, including the area code.
00 1 plus area code and number
Just dial 1 + area code + number.
To dial an Australian number from the US, you need to first dial the international dialing code "011" followed by the country code for Australia which is "61". Then, dial the Australian phone number you wish to reach, including the area code.
To dial outside the US, first dial the international access code (usually "011" in the US), then the country code of the country you are calling, followed by the local phone number.
In general, 1 - area code - number
To dial out of the US, first dial the international access code (usually 011), then the country code of the country you are calling, followed by the area code and phone number.
To dial out of the US, first dial the international access code (usually 011), then the country code of the country you are calling, followed by the area code and phone number.