Area Code Listing From 301 to 386

Area Codes Table Area Code Country State Time Zone 301 US Maryland Eastern Time Zone 302 US Delaware Eastern Time Zone 303 US Colorado Mountain Time Zone 304 US West Virginia Eastern Time Zone 305 US Florida Eastern Time Zone 306 Canada Saskatchewan Central Time Zone, Mountain Time Zone 307 US Wyoming Mountain Time Zone 308 US Nebraska Central Time Zone, Mountain Time Zone 309 US Illinois Central Time Zone 310 US California Pacific Time Zone 312 US Illinois Central Time Zone 313 US Michigan Eastern Time Zone 314 US Missouri Central Time Zone 315 US New York Eastern Time Zone 316 US Kansas Central Time Zone 317 US Indiana Central Time Zone 318 US Louisiana Central Time Zone 319 US Iowa Central Time Zone 320 US Minnesota Central Time Zone 321 US Florida Eastern Time Zone 323 US California Pacific Time Zone 325 US Texas Central Time Zone 327 US Kentucky Eastern Time Zone 330 US Ohio Eastern Time Zone 331 US Illinois Central Time Zone 334 US Alabama Central Time Zone 336 US North Carolina Eastern Time Zone 337 US Louisiana Central Time Zone 339 US Massachusetts Eastern Time Zone 340 US Virgin Islands Atlantic Time Zone 345 Cayman Islands Eastern Time Zone 347 US New York Eastern Time Zone 351 US Massachusetts Eastern Time Zone 352 US Florida Eastern Time Zone 353 US Wisconsin Central Time Zone 358 US Pennsylvania Eastern Time Zone 360 US Washington Pacific Time Zone 361 US Texas Central Time Zone 369 US California Pacific Time Zone 380 US Ohio Eastern Time Zone 381 US Virginia Eastern Time Zone 383 US Maine Eastern Time Zone 385 US Utah Mountain Time Zone 386 US Florida Eastern Time Zone Note: Area codes in gray represents the location is outside of the 50 states of the U.S. and Canada.