For area codes in the U.S., Canada, and the various Caribbean islands that share country code +1, visit the link below. Use the "find" function in your browser to find the area code you want more information about, and click the corresponding link. Then "find" that number again to see a list of cities and towns in that area code.
The zip code 18650 covers the area of Granada, Spain. You can find more information relating to Granada, Spain on the Wikipedia page devoted to the area.
Area code 308 is western Nebraska. It covers dozens of ZIP Codes.
Area code 786 is Miami and the Florida Keys, an overlay on area code 305. It covers dozens of ZIP Codes.
That area code covers the central and northern parts of Louisiana.
602 stands for an area code that covers a vast part of Phoenix, Arizona.
There is no UK area code like 0491. If the number is pre-1995 then this area code is now 01491 which covers Henley-on-Thames.
The 312 area code is used for downtown Chicago. It is is unusual in that it is completely surrounds by another area code which is 773 and covers the rest of Chicago.
Philippines area code 43 covers Batangas, Occidental Mindoro, and Oriental Mindoro.
The 552 area code is assigned to the state of New Jersey in the United States. It is an overlay area code that covers regions served by the 609 area code. This code was introduced to accommodate the growing demand for phone numbers in the area.
The area code 849 is assigned to the Dominican Republic. It covers the Santo Domingo metropolitan area and other nearby provinces.
Area code 310 is located in the Los Angeles area, including Santa Monica, Malibu, and LAX Airport. It covers numerous ZIP Codes.
UK area code 01749 covers Shepton Mallet in the county of Somerset.