Using DialAbroad, calling Germany from USA is super simple and will cost you less too.
How to call a Germany landline from USA
For calls to landline numbers in Germany from USA, you just need to buy DialAbroad credit, either by SMS or online. You receive a PIN and receipt by SMS. Then, whenever you want to call any Germany landline number, you only need to dial the DialAbroad access number (enter the PIN number first time), and next enter the international calling code of Germany and the required landline phone number.
How to call a Germany mobile from USA
Likewise, it is quite straightforward to call a German mobile from USA. Firstly, you purchase credit from DialAbroad by SMS or online (using any credit card or PayPal). You receive the receipt and PIN by SMS. This PIN only has to be entered for your first call, thereafter you dial the access number, and won’t be requested to enter the PIN. When connected, enter the full international number to call (the international dialing code for Germany, followed by the German mobile number) and you are connected.