Suspicious unknown number calling from the US region

[PHONE] The phone number shown in the image, although originating from the US, does not follow the standard US format. The caller speaks Chinese with a mainland China accent. When I asked who they were, they did not answer and hung up. Below is an AI analysis of suspicious aspects of the phone number: Structure of [PHONE] If broken down according to North American phone format: [PHONE] It becomes: +1: North American Numbering Plan (NANP) country code 982: supposed area code (NPA) 315: exchange/prefix 71196: remaining number The problem lies with 982. Currently, 982 is not an assigned NANP area code used in the US. NANP area code data lists 981–982 as unused and reserved for future allocation; neighboring codes like 980 and 983 are actually in use. Moreover, even ignoring 982, your full number has another issue: A normal North American phone number should be: +1 + 10 digits For example: [PHONE] But yours: [PHONE] Has 11 digits after +1. So it is not simply a "rare US area code."