Unfortunately, it is fairly easy to send fake Caller ID data if you have a PBX (private company telephone switch).
The country code 0080 is associated with Japan. It is part of the international dialing codes used to connect calls to Japan from abroad. Additionally, Japan has other codes such as +81 for international calls.
International dialing codes can be found on calling charts at the Countrycode website. International codes can also be found by dialing directory assistance.
There are no 'regional' dialing codes in the UK. Each town (or group of small towns) has an individual dialing code.
The country dialing code +1632 is for the Philippines, specifically for the area of Metro Manila. Dialing codes are used to identify specific regions within a country for telephone calls. In the Philippines, the area code for Metro Manila is 02, but when dialing from abroad, it is preceded by the country code +63.
Beginning in 2001, in preparation for the 878 overlay area code (which serves the same geographic territory as the 412 and 724 area codes combined), all local calls in area codes 412, 724, and 878 require 10-digit dialing.
the international dialing code is +61, there are local dialing codes depending on the state
The international dialing code +954 is associated with the country of Argentina. Specifically, it is used for calls to the Buenos Aires metropolitan area. Each region in Argentina has its own specific area codes that fall under the country's international dialing code.
The dialing code 00601 is not associated with London or the UK. In fact, it is likely a non-standard or fictional code, as UK dialing codes typically begin with 0 followed by a 2-5 digit area code. For London, the area codes start with 020. If you're looking for specific dialing codes in London, the standard code is 020.
The dialing code +1437 is not assigned to any country or region. It appears to be a non-standard or invalid code, as country codes typically follow the format of one to three digits. If you are receiving calls from this number, it may be worth investigating further, as it could be a spam or scam number.
The Denver area began mandatory 10-digit dialing of local calls in 1998, in preparation for the 303/720 area code overlay. All local calls within, between, into, or out from the 303 and 720 area codes must be dialed with 10 digits. Other local calls within area code 970 or within area code 719 may be dialable as either 7 or 10 digits.
The number 00251 is often associated with country calling codes, specifically for Ethiopia, where it serves as the international dialing prefix for telephone calls. When dialing internationally, the "00" indicates the exit code used to dial out of a country, while "251" is the country code for Ethiopia. It can also appear in various contexts, such as postal codes or specific identification numbers, depending on the region or system in use.
The ISD code 00317 corresponds to the country of Bhutan. ISD codes, or International Subscriber Dialing codes, are used to identify countries in international telephone dialing. Bhutan's unique code allows for direct dialing to the country from abroad.