604 Area Code Prefixes
604 Area Code Map and Stats

Top cities with a 604 Area Code

Where is the 604 Area Code?

The 604 Area Code (or Area Code 604) is located in the state of IA. Area Code 604 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 3 unique phone numbers and 6 individuals near the city of Mason City

Location & Map

Most numbers within Area Code 604 are located in the following cities: Mason City, Bellingham, Euless, Point Roberts, Allentown, Mattawan, Dumfries, San Francisco, Phoenix, Olympia, Lubbock, Ann Arbor, Sunnyvale, Atlanta, Madison, Aberdeen, Redwood City, Palm Springs, Saint Joseph, Ellwood City, Holden, Blaine, New Orleans, Manchester, Burns, Lynden, West Hills, New Haven, Cranbury, Grants Pass, Columbus, Custer, Chesterfield, Richmond, Oklahoma City, Ferndale, Mendenhall, Des Moines, Gilford, Waltham, Mohegan Lake, Redmond, Sumas, Beverly Hills, Vancouver, Walworth, Issaquah, Philadelphia, Dayton, Interlachen, Glen Oaks, Portland, Marion, Pompano Beach, Brackney, Ottumwa, Charleston, Iowa City, Carriere, Virginia Beach, Binghamton, Cedar Rapids, Harvey, Napoleonville, Elmira, Dubuque, Jacksonville, Bradenton, Denton, Stony Brook, Glendale, Ocean City, Chandler, Morrow, Scottsdale, Kent, Merrimack, Ridgecrest, East Lansing, Los Gatos, Davenport, Danielson, Tappahannock, Cardiff By The Sea, Porcupine, Redfield, Thomaston, Houston, Marmora, Smyrna, Reedsburg, Jackson, Sedro Woolley, Denver, Los Angeles, Newtown, New Albany, Perris, Seattle, Indianola, Bassfield, Bronx, Burlington Flats, Bridge City, Canton, Oroville, Amelia Court House, Avoca, Sidney, Brookline, Waverly, Flandreau, Gilmanton Iron Works, Kennesaw, Flowood, Reno, Powhatan, Maple Falls, Boulder City, Compton, Milpitas, Twisp, El Reno, Surrey, Oviedo, Torrance, Fayetteville, Dysart, Vicksburg, Las Vegas, Deadwood, Livonia, Iowa Park, Liberty, Fairfield, Bettendorf, Nevada City, Mc Kenney, Salt Lake City, Andover, Spearfish, Hornell, Summerville, Junction City, Hammondsport, San Marino, Rosedale, Santa Monica, Honolulu, Burlington, Berkeley, Petersburg, San Diego, Harrison, Desert Hot Springs, Tujunga, Greensboro, Picayune, Valencia, Mc Lain, Knoxville, Vinton, Glen Allen, Schenectady, Tempe, Exeter, Mc Indoe Falls, Magnolia, Walton, Taylorsville, Endicott, Terra Alta, Graham, Katy, Muskegon, Beaverton, Anchorage, Forest Grove, Niagara Falls, Ellensburg, Florence, Sultan, Moosup, Bourbon, Longmont, Otisville, Tampa, Roseville, Palm Desert, Norwalk, Nashua, Edmonds, Sylvania, Jupiter, Bend, Costa Mesa, Frisco, Medina, Savannah, Fort Davis, Oregon City, Alameda, French Creek, Half Moon Bay, Linwood, Wiggins, New York, Gresham, Barnet, Bainbridge, Ridgeland, Wilmington, Arlington, Fort Lauderdale, Gilbert, Fairfax, Brandon, Green Cove Springs, Hyattsville.

Time Zone & Current Time

The 604 area code lies within the Pacific Standard Time (or PST). The current time in Pacific Standard Time is 01:42 AM on 08/05/2015.

Top Cities

Mason City, Bellingham, Euless, Point Roberts, Allentown, Point Roberts, Mattawan, Dumfries, San Francisco, Phoenix, Olympia, Lubbock, Ann Arbor, Sunnyvale, Atlanta, Madison, Aberdeen, Redwood City, Palm Springs, and Saint Joseph

Population Demographics

The 604 Area Code is one of the telephone area codes supported by Spokeo's Reverse Phone Lookup technology. Spokeo's reverse phone lookup functions much like a personal caller-ID system, and can identify the owner of virtually any phone number in the continental United States. Spokeo gathers hundreds of millions of listed phone records and potentially presents the owner's full name, address, email, photos, and any other information that may be associated with the record. Try searching for any 604 Area Code phone number today, and discover what Spokeo can do for you.


Mason City, IA
Neighborhood statistics for Mason City, IA
Avg. Property Value
Avg. Household Income
Top Occupations
28% Management
28% Sales
Average Age
52 years old
53% Female
Top Ethnicities
87% Caucasian
6% Other

About Mason City, IA

Mason City is the county seat of Cerro Gordo County, Iowa, United States. The population was 28,079 in the 2010 census, a decline from 29,172 in the 2000 census. The Mason City Micropolitan Statistical Area includes all of Cerro Gordo and Worth counties.