Ask your local phone company.
That depends on your wireless carrier (cellphone company) or your local telephone company (for a landline phone).
Dial the full number - including the area code.
From a landline, dial 00 1 and then the area code and number. From a mobile phone, dial +1 (including the plus symbol) and then area code and number.
To set up call forwarding from a landline to a cell phone, on your landline phone you dial 72# (or *72 depending on your area) then dial the number you wish to forward to. eg. Your cell phone number is 123-456-7890. To set up call forwarding to this number you would dial the following on your landline phone: 72# 123-456-7890 or *72 123-456-7890. To remove call forwarding on your landine phone, you dial 73# (or *73 depending on your area) on your landline phone.
If you have only the 7-digit number for a cell phone number in an area with more than one area code, there is no way to determine which area code it belongs to, other than guessing. In particular, in the United States and Canada (except for numbers in area code 600), cell phones use the same geographic area codes as landline phones, and in all cities and even most rural areas, you can take your telephone number with you, even switching from cellular to landline or vice-versa.
Costa Rica. 506 is the country code. 2 is the new prefix (since 2008) for a landline.
00 1 from a landline or +1 from a GSM mobile phone, followed by the area code and number.
Your phone or Caller ID unit is probably programmed to display numbers in the same area code with just the 7-digit number. On most units, you can change that setting. Check your user manual.
It is quite common in the U.S. for a person to have a cell phone with an area code from somewhere other than where they currently live. To have a landline with a different area code is much more difficult and expensive.
The 360-473 prefix is in Bremerton, Washington. There's no way to know if a particular number is a cell phone or a landline. Local number portability means that you can change from a cell phone to a landline, or vice-versa, and keep the same number.
US cell phone numbers are indistinguishable from landline numbers. They use the same geographic area codes, and calls are billed at the same rates. The telephone country code for the USA (plus Canada and certain Caribbean-ish islands) is +1. On a mobile phone, just dial +1 (including the plus symbol) and the area code (3 digits) and number (7 digits). On a landline, dial 00 1 and the area code and number.
The telephone code 49176 is associated with the region of Germany, specifically for the area of Wuppertal in North Rhine-Westphalia. This code is used for landline phone numbers within that specific locality.