MetroPCS doesn't have its own area code. Mobile phones in the US and Canada generally use the same geographic area codes as landline telephones. In fact, you can "port" a mobile number to a landline or vice-versa, so mobile and landline numbers are completely indistinguishable.
Area code 717 is in southeastern Pennsylvania beyond the Philadelphia metro area, including Harrisburg.
East Los Angeles is in area code 323. There are several other area codes in the L.A. metro area.
Area code +1 360 is in western Washington state, excluding the Seattle/Tacoma metro area.
Area code 626 serves Pasadena, California, and nearby parts of the Los Angeles metro area. It includes dozens of ZIP Codes.
Malabon City is in area code 02 (or +63 2 in international format), since it is within Metro Manila.
Nevada: Reno and everything except the Las Vegas metro area (area code 702 and beginning in 2015 overlay area code 725). Everything outside of Clark County is in area code 775.
408 represents the San Jose-Santa Clara metro area.
Batasan Hills is part of metro Manila. The area code is 02 within the Philippines, or +63 2 from outside the Philippines.
The area code for metro Manila, including Navotas City, is 02 within the Philippines, or +63 2 from other countries.
Area code 731 is western Tennessee, excluding the Memphis metro area. It includes Jackson, Ripley, Brownsville, Bolivar, Paris, Lexington, and Savannah.
In 1947, when area codes were introduced to the US and Canada, the entire Detroit metro area was area code 313. Other area codes were added starting in the 1990's.
Area code 724 is southwestern Pennsylvania, excluding metro Pittsburgh.724 is an area code used in western Pennsylvania, including the outer suburbs of Pittsburgh. It was split from area code 412 on February 1, 1998Area code 724 surrounds area code 412 for the Pittsburgh metropolitan area. Area code 878 is an overlay on both 412 and 724.