Mobile (cellphone) numbers in the Netherlands begin with 06, which is +31 6 in international format.
(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The telephone country code 00316 is used for mobile phones in the Netherlands. In this format, "0031" is the country code for the Netherlands, and "6" indicates a mobile phone number. When dialing from abroad, you would use +31 6 followed by the local mobile number.
mobile phone
23480 is a Nigerian mobile telephone.
A UK telephone number beginning with +44 754 is a mobile.
To call a mobile in Florida from Cyprus, dial your international prefix (00), then the country code for USA (1), then the area code and mobile number. Florida has 17 area codes; in the US and Canada, mobile numbers are intermixed with landlines in the same geographic area codes.
A French telephone number beginning with +33 6 (or 06 in domestic format) is a mobile phone.
The telephone country code +91 is the country code for India. The area code +91 814 is a mobile phone code within India, specifically assigned to the state of Punjab. When dialing internationally, you would dial the country code +91 followed by the area code 814 and the subscriber number to reach a mobile phone in Punjab, India.
The UK telephone area code 07854 is a mobile phone number prefix. It is used for personal mobile services across the United Kingdom but does not correspond to a specific geographical area. Mobile numbers starting with 07854 are part of a range allocated to mobile network operators. Like other mobile codes, it can be used for various services and is not tied to any single provider.
A telephone number in India beginning with 0814 is a mobile. 08142 and 08143 are in Andhra Pradesh.
A telephone number in India beginning with +91 9814 is a mobile, probably in or near Punjab.
Turkey's area code 559 is one of the codes for Avea mobile phones, used throughout the country. However, with mobile number portability, the individual user may use a different mobile service.
Hyderabad is part of the Andhra Pradesh mobile calling circle, which has many, many different mobile codes assigned to it.