Finding the right synonym for "reached by phone" can help make your communications more concise and effective. Some options include "contacted via telephone," "reached by call," "reached via mobile," and "connected by phone." You might also consider using more specific terms like "dialed," "phoned," or "rang up" if your tone or message warrants a more casual or personal touch. Ultimately, the best synonym for "reached by phone" depends on the context of your communication and the level of formality or familiarity you want to convey.