Area code 657 prefixes in California

Exchange Location
657-200 Newark
657-201 Boise
657-202 Asheville
657-203 Grand Junction
657-204 Oakland
657-205 Fort Worth
657-206 Ann Arbor
657-207 Cincinnati
657-208 Sioux City
657-210 Waukegan
657-212 Corpus Christi
657-214 Yuma
657-215 Virginia Beach
657-216 Atlanta
657-217 Wichita
657-218 Green Bay
657-219 Laredo
657-220 New Orleans
657-221 Conroe
657-222 Scranton
657-223 Erie
657-225 Miami
657-226 Martinsville
657-227 Washington
657-228 Columbus
657-229 Portland
657-230 Chicago
657-231 Jersey City
657-232 Boise
657-233 Waco
657-234 Oakland
657-235 Tacoma
657-236 Champaign
657-237 Cincinnati
657-238 Eau Claire
657-239 Springfield
657-240 El Toro
657-241 Wabash
657-242 Green Bay
657-243 Los Angeles
657-244 San Diego
657-245 Sioux Falls
657-247 Alexandria
657-248 Charleston
657-249 Wabash
657-250 St. Charles
657-251 Ogden
657-252 Tyler
657-253 Albany
657-254 Greenville
657-255 Akron
657-256 Santa Ana
657-257 Racine
657-259 Muncie
657-260 Waco
657-261 Zanesville
657-262 Melrose
657-263 Augusta
657-264 Fresno
657-265 Cheyenne
657-266 Fort Lauderdale
657-268 Des Moines
657-269 Dallas
657-271 Ozark
657-272 Vero Beach
657-273 Eau Claire
657-274 Wichita
657-275 Detroit
657-276 Sedalia
657-278 Duluth
657-281 Denver
657-282 Fort Worth
657-283 Lubbock
657-284 Columbus
657-285 Huntington
657-291 Fayetteville
657-292 Lowell
657-293 Doylestown
657-294 Houston
657-295 Grand Junction
657-300 Cape Coral
657-330 Colorado Springs
657-333 Lynchburg
657-336 Atlanta
657-363 Zanesville
657-378 Lancaster
657-383 Spring Valley
657-400 Hartford
657-444 Syracuse
657-456 Lowell
657-464 Baltimore
657-465 Anchorage
657-500 Dayton
657-529 Birmingham
657-549 Reno
657-600 Corpus Christi
657-622 Lynn
657-666 Tulsa
657-667 San Francisco
657-699 Billings
657-777 Charlotte
657-800 Greenville
657-845 Marquette
657-859 Philadelphia
657-888 Houston
657-900 Reno
657-999 Fort Lauderdale