The number is now written as 1-212-736-5000. According to the hotel's website, PEnnsylvania 6-5000 is New York's oldest continually assigned telephone number and possibly the oldest continuously-assigned number in the world.
However, like all mundane things, there are exceptions to the 10-digit mobile number, and no, it's not because of the country code. China has an 11-digit phone number excluding its country code (+86), and although America has already reserved the country code '+1' for itself, all numbers start with 1 in China!
Option 1 – Call from your Mobile or Landline. No App required. Add your international numbers that you want to call as a contact and we'll give you back a local number. Dial the local number given to you directly from your mobile or landline.
555-1212 is still used for directory assistance and 555-4334 is reserved for assigned national use. But a set of 100 555 numbers have been officially designated for use in Hollywood, 555-0100 through 555-0199.
Eric R. Brewster '14 and Avery A. Leonard '14 fought off drooping eyelids and the urge to sleep last week as they held a phone conversation that lasted for 46 hours, 12 minutes, 52 seconds, and 228 milliseconds—potentially setting a new world record.
In April 2017, 728 million iPhones were in use worldwide. China is the country where people used the most iPhones, followed by Apple's home market the United States – at that time, 228 million iPhones were in use in China and 120 million in the U.S.
If the new number plan is implemented, India will become one of the few countries to have the longest number of digits for phone numbers, excluding the international calling codes. According to a Wikipedia list, some operators in Germany use 13-digit phone numbers for certain services.
Most UK landline numbers are a total of 11 digits, however some locations still have a mixture 10 digits and 11. Matlock 01629 has several 10 digit numbers, as does Buxton 01298. Over 580 areas now use this format.
13-digit numbers have been allocated to Airtel, Reliance Jio, Vodafone, BSNL and others. The 13-digit numbers have been allocated to state-run firm BSNL and private telecom operators Bharti Airtel, Reliance Jio, Idea Cellular and Vodafone for testing purposes only.