If you pick up your landline telephone and don't hear a dial tone, you have a problem. However, this problem could either reside within your house or it could be a sign of a larger outage in your area. If you're trying to find out if there is a landline problem in your area, you can do so by contacting the telephone company that so diligently provides you with the service in question.
Open your web browser and visit the website for your telephone company. For example, if you have landline telephone service with AT&T, you would go to att.com.
Click "Contact Us" or "Customer Service" (whichever applicable) if your telephone company does not have an automated outage checker on its website. This will allow you to either email your telephone company or use the "Live Customer Service Chat" feature on the website (whichever applicable). If you're using the live chat, give the customer service representative your telephone number and ask him to check for an outage. If you are sending an email form, put "Outage" in the subject line and request information about any outages in the email body.
Use the automated "Outage" checker on your phone company's website (if applicable). For example, if you have AT&T service, you would click on the "Repair My Service" option from the "Customer Support" section of the website. Select "Telephone," type your telephone number into the box and click "Continue." This will check to see if a landline outage is taking place in your area. Many phone companies have similar services on their websites.