In the United States, a complete telephone number usually consists of three parts:
- Country code: +1 for the United States.
- Area code: represents different geographical areas, usually 3 digits.
- Local number: Specific to a particular phone number, usually 7 digits.
For example, a typical U.S. phone number is: +1 (212) 555-1212.
Area codes in the United States
The telephone area codes in the United States are divided according to geographical regions. Different states or cities have different area codes. This division is to facilitate telephone switches to route.
- Historical reasons: The establishment of the early telephone system led to differences in telephone numbers in different regions.
- Population growth: As the population grows, the existing area codes may not be able to meet the demand, so new area codes need to be added.
- Development of mobile communications: The popularity of mobile communications has also had an impact on area code division.
Area code query method
- Online enquiry:
- Google search: Simply enter “+1 (area code)” in the Google search box to find the area corresponding to the area code.
- Professional query website: There are many websites that specialize in providing telephone area code query services, such as AreaCodeLookup, LocalPhone, etc.
- Phone book: Traditional phone books usually list area codes for different regions.
- Operator website: Some operators’ websites also provide area code query services.
Area code features
- Overlapping areas: Some areas may have multiple area codes due to population growth or administrative division adjustments.
- Virtual area code: With the popularization of VoIP technology, the concept of virtual area code has emerged, that is, the telephone number has no direct correspondence with the actual geographical location.
- Area Code Changes: Area codes in some areas may change over time .
Why are area codes important?
- Dialing: When calling the United States, you must enter the area code correctly in order to get through.
- Location: The area code can roughly Job Function Email List determine the location of a phone number.
- Long-distance calling charges: Calling rates may vary between area codes in the United States .
Precautions
- The particularity of mobile phone numbers: The area code of a mobile phone number may not be consistent with the actual WhatsApp Number Data place of use, because the mobile phone number can move with the person.
- Virtual numbers: Virtual numbers may have area codes that have no actual geographic significance.
- International long distance calls: When calling the U.S. from abroad, you need to dial the international access code first, then the U.S. country code, area code, and local number.
Summarize
The area code of a US phone number is an important piece of information to understand where the phone number belongs. By understanding the division rules and query methods of area codes, we can better communicate by phone.
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Tips: Due to the continuous development of the telephone network, area code information may change. It is recommended that you confirm the relevant information again before making a call.
