Area code 360 covers that famous area of Philadelphia called "western Washington State, excluding the Seattle metro area."
Philadelphia and the inner suburbs use area codes 215 and 267. The outer suburbs use area codes 610 and 484.
Area code 786 is Miami and the Florida Keys, an overlay on area code 305. It covers dozens of ZIP Codes.
Area code 308 is western Nebraska. It covers dozens of ZIP Codes.
That area code covers the central and northern parts of Louisiana.
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.
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.
Area code 717 is in southeastern Pennsylvania beyond the Philadelphia metro area, including Harrisburg.
In North America, telephone area code 610 is for suburbs of Philadelphia, Pennsylvania.
The East Falls neighborhood of Philadelphia, PA, is in area code 215 and overlay code 267.
Philippines area code 43 covers Batangas, Occidental Mindoro, and Oriental Mindoro.
602 stands for an area code that covers a vast part of Phoenix, Arizona.
Area code 310 is located in the Los Angeles area, including Santa Monica, Malibu, and LAX Airport. It covers numerous ZIP Codes.
Area code +1 906 is the Upper Peninsula of Michigan.