Telephone area codes in Germany (Vorwahl) Area codes in Germany Overview of Germany's telephone area codes: structure, regional blocks, special non-geographic prefixes, dialing rules, history and regulatory notes for national and international…
North American Numbering Plan area codes List of North American Numbering Plan area codes Overview of North American Numbering Plan (NANP) area codes: what they are, how they are structured, their history, uses, and notable distinctions across the NANP territory.
