Area Code 310. Area Code 310 is in California and covers 528.69 square miles. Area Code 310 contains 103 non-unique postal area zip codes. Metro Area. Start Year. Area. 528.69 sqm / 851 sqkm. Population. 11081115., 90744. California. 310. Wilmington - (Los Angeles) 90748. California. 310. The international country codes, City Code, Area Code or Dialing Code listed on this table are for your information only. We cannot guarantee all information on this table are correct and updated., 310 Area Code is part of 0 counties in the state of California.There are around 6 cities in the 310 area code. The 310 area code is located in the EDT timezone. California has an avarage population of 37,554,569 spread between the coordinates of +36.116203 Latitude and -119.681564 Longitude.. Below you will find more info about 310 Area Code and also zip codes, counties, cities and the post ..., Postal ZIP codes beginning with 310 are located in the state of Georgia. ZIP code 310 is one of 920 three-digit ZIP Codes in the country. Many countries use similar postal zones to make the mail delivery more efficient, although they do not have ZIP Codes exactly. We currenty provide postal code maps maps for the United States only., 310 Area Code 310 - Map, Time zone with Zip codes by Area Code Lookup USA. Los Angeles, being a very densely populated city in the state of California is covered with various area code. One of them is area code 310, this area code was brought into effect on 1991 and was split from the parent area code., Area code 310 serves the state of California. This area code was assigned on August 31st, 1990. On November 2nd, 1991 it went into service. 310 is a General Purpose Code. 310 service area does overlap with 424 area codes. Dialing pattern for local calls within the same NPA (area code) is 1+10D., Cities by ZIP Code™ For more rapid delivery, please use the recommended or recognized city names whenever possible for this ZIP Code ™., Postal codes for Gniewno 77-310, Poland. How to find post address lookup, or code list to find the correct zip code for any postal code mails destination., Postal codes for Marysin 05-310, Poland. How to find post address lookup, or code list to find the correct zip code for any postal code mails destination., The 310 Area Code is located in the state of California. Area Code 310 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 8,014,000 unique phone numbers and 9,502,009 individuals near the cities of Los Angeles, Gardena, and Beverly Hills.