Area code 331 prefixes in Illinois

Exchange Location
331-200 Cleveland
331-201 Rochester
331-202 Charleston
331-203 Austin
331-206 Clarksville
331-208 Cleveland
331-209 Santa Barbara
331-212 Philadelphia
331-213 Cedar Rapids
331-214 Cleveland
331-215 Lynbrook
331-218 Phoenix
331-221 Wabash
331-229 Los Angeles
331-234 Long Beach
331-240 Virginia Beach
331-245 Chico
331-256 Las Vegas
331-281 Akron
331-301 Muncie
331-303 Fort Lauderdale
331-304 Tucson
331-307 Houston
331-310 Peoria
331-318 Red Bay
331-333 Vancouver
331-452 Toms River
331-462 Jackson
331-481 Atlanta
331-642 New Haven
331-643 College Station
331-684 San Diego
331-701 Tallahassee
331-704 Racine
331-777 Rochester
331-806 Springfield
331-808 Billings
331-814 New Orleans
331-825 Phoenix
331-979 Lynn