Outofarea
Outofarea is a phenomenon that occurs in telephone systems, particularly in public switched telephone networks (PSTN). It refers to a situation where a caller is unable to reach a particular phone number or area code because it is deemed to be out of area. This can happen for a variety of reasons, including exchange capacity issues, long distance routing problems, or even temporary service disruptions.
In the past, outofarea was a common issue for long distance callers, particularly those using rotary phones.
However, with the advent of digital phone systems and the widespread use of cell phones, outofarea has
From a technical perspective, outofarea is often related to the concept of least cost routing and near-end/
Despite being relatively rare in modern telephone systems, outofarea remains a topic of interest among telecommunications