Area Code 312

Area Code & Prefix Location
312-201 Chicago, Illinois
312-202 Chicago, Illinois
312-203 Chicago, Illinois
312-204 Chicago, Illinois
312-205 Chicago, Illinois
312-206 Chicago, Illinois
312-207 Chicago, Illinois
312-208 Chicago, Illinois
312-209 Northbrook, Illinois
312-210 Chicago, Illinois
312-212 Chicago, Illinois
312-213 Chicago, Illinois
312-214 Chicago, Illinois
312-215 Wheeling, Illinois
312-216 Chicago, Illinois
312-217 Chicago, Illinois
312-218 Chicago, Illinois
312-219 Chicago, Illinois
312-220 Chicago, Illinois
312-221 Bridgeview, Illinois
312-222 Chicago, Illinois
312-223 Chicago, Illinois
312-224 Arlington Heights, Illinois
312-225 Chicago, Illinois
312-226 Chicago, Illinois
312-227 Chicago, Illinois
312-228 Chicago, Illinois
312-229 Chicago, Illinois
312-230 Chicago, Illinois
312-231 Roselle, Illinois
312-232 Burr Ridge, Illinois
312-233 Chicago, Illinois
312-234 Chicago, Illinois
312-235 Chicago, Illinois
312-236 Chicago, Illinois
312-237 Chicago, Illinois
312-238 Arlington Heights, Illinois
312-239 Chicago, Illinois
312-240 Chicago, Illinois
312-241 Chicago, Illinois
312-242 Chicago, Illinois
312-243 Chicago, Illinois
312-244 Chicago, Illinois
312-245 Chicago, Illinois
312-246 Wheeling, Illinois
312-247 Chicago, Illinois
312-249 Burr Ridge, Illinois
312-250 Burr Ridge, Illinois
312-251 Chicago, Illinois
312-252 Chicago, Illinois
312-253 Chicago, Illinois
312-254 Chicago, Illinois
312-255 Chicago, Illinois
312-256 Chicago, Illinois
312-257 Chicago, Illinois
312-258 Chicago, Illinois
312-259 Chicago, Illinois
312-260 Bensenville, Illinois
312-261 Chicago, Illinois
312-262 Chicago, Illinois
312-263 Chicago, Illinois
312-264 Chicago, Illinois
312-265 Chicago, Illinois
312-266 Chicago, Illinois
312-267 Chicago, Illinois
312-268 Arlington Heights, Illinois
312-269 Chicago, Illinois
312-271 Burr Ridge, Illinois
312-272 Burr Ridge, Illinois
312-273 Chicago, Illinois
312-274 Chicago, Illinois
312-275 Chicago, Illinois
312-276 Chicago, Illinois
312-277 Chicago, Illinois
312-278 Arlington Heights, Illinois
312-279 Bensenville, Illinois
312-280 Chicago, Illinois
312-281 Chicago, Illinois
312-282 Chicago, Illinois
312-283 Chicago, Illinois
312-284 Chicago, Illinois
312-285 Bridgeview, Illinois
312-286 Chicago, Illinois
312-287 Buffalo Grove, Illinois
312-288 Bensenville, Illinois
312-289 Burr Ridge, Illinois
312-290 Burr Ridge, Illinois
312-291 Chicago, Illinois
312-292 Chicago, Illinois
312-293 Chicago, Illinois
312-294 Chicago, Illinois
312-295 Burr Ridge, Illinois
312-296 Buffalo Grove, Illinois
312-297 Chicago, Illinois
312-298 Chicago, Illinois
312-299 Burr Ridge, Illinois
312-300 Chicago, Illinois
312-301 Hinsdale, Illinois
312-302 Chicago, Illinois
312-303 Wheeling, Illinois
312-304 Hinsdale, Illinois
312-305 Northbrook, Illinois
312-306 Chicago, Illinois
312-307 Chicago, Illinois
312-308 Chicago, Illinois
312-309 Chicago, Illinois
312-310 Northbrook, Illinois
312-314 Hinsdale, Illinois
312-315 Chicago, Illinois
312-316 Chicago, Illinois
312-317 Wheeling, Illinois
312-318 Hickory Hills, Illinois
312-320 Chicago, Illinois
312-321 Chicago, Illinois
312-322 Chicago, Illinois
312-323 Chicago, Illinois
312-324 Chicago, Illinois
312-325 Chicago, Illinois
312-326 Chicago, Illinois
312-327 Chicago, Illinois
312-328 Chicago, Illinois
312-329 Chicago, Illinois
312-330 Chicago, Illinois
312-331 Wheeling, Illinois
312-332 Chicago, Illinois
312-333 Chicago, Illinois
312-334 Chicago, Illinois
312-335 Chicago, Illinois
312-336 Chicago, Illinois
312-337 Chicago, Illinois
312-338 Chicago, Illinois
312-339 Chicago, Illinois
312-340 Chicago, Illinois
312-341 Chicago, Illinois
312-342 Chicago, Illinois
312-343 Chicago, Illinois
312-344 Chicago, Illinois
312-345 Chicago, Illinois
312-346 Chicago, Illinois
312-347 Chicago, Illinois
312-348 Chicago, Illinois
312-349 Burr Ridge, Illinois
312-350 Chicago, Illinois
312-351 Chicago, Illinois
312-352 Burr Ridge, Illinois
312-353 Chicago, Illinois
312-354 Roselle, Illinois
312-355 Chicago, Illinois
312-356 Chicago, Illinois
312-357 Chicago, Illinois
312-359 Burr Ridge, Illinois
312-360 Chicago, Illinois
312-361 Chicago, Illinois
312-362 Chicago, Illinois
312-363 Chicago, Illinois
312-364 Chicago, Illinois
312-365 Burr Ridge, Illinois
312-366 Burr Ridge, Illinois
312-367 Burr Ridge, Illinois
312-368 Chicago, Illinois
312-369 Chicago, Illinois
312-370 Burr Ridge, Illinois
312-371 Bridgeview, Illinois
312-372 Chicago, Illinois
312-373 Chicago, Illinois
312-374 Chicago, Illinois
312-375 Chicago, Illinois
312-376 Chicago, Illinois
312-377 Chicago, Illinois
312-378 Burr Ridge, Illinois
312-379 Chicago, Illinois
312-380 Chicago, Illinois
312-381 Chicago, Illinois
312-382 Chicago, Illinois
312-384 Chicago, Illinois
312-385 Chicago, Illinois
312-386 Chicago, Illinois
312-387 Burr Ridge, Illinois
312-388 Chicago, Illinois
312-389 Burr Ridge, Illinois
312-390 Chicago, Illinois
312-391 Chicago, Illinois
312-393 Burr Ridge, Illinois
312-394 Chicago, Illinois
312-395 Chicago, Illinois
312-396 Chicago, Illinois
312-397 Chicago, Illinois
312-398 Burr Ridge, Illinois
312-399 Bridgeview, Illinois
312-400 Chicago, Illinois
312-401 Chicago, Illinois
312-402 Chicago, Illinois
312-403 Hickory Hills, Illinois
312-404 Chicago, Illinois
312-405 Chicago, Illinois
312-406 Wheeling, Illinois
312-407 Chicago, Illinois
312-408 Chicago, Illinois
312-409 Chicago, Illinois
312-410 Chicago, Illinois
312-412 Wheeling, Illinois
312-413 Chicago, Illinois
312-415 Chicago, Illinois
312-416 Chicago, Illinois
312-417 Chicago, Illinois
312-418 Burr Ridge, Illinois
312-419 Chicago, Illinois
312-420 Chicago, Illinois
312-421 Chicago, Illinois
312-422 Chicago, Illinois
312-423 Arlington Heights, Illinois
312-424 Chicago, Illinois
312-425 Chicago, Illinois
312-426 Burr Ridge, Illinois
312-427 Chicago, Illinois
312-428 Chicago, Illinois
312-429 Chicago, Illinois
312-430 Chicago, Illinois
312-431 Chicago, Illinois
312-432 Chicago, Illinois
312-433 Chicago, Illinois
312-434 Bridgeview, Illinois
312-435 Chicago, Illinois
312-436 Chicago, Illinois
312-437 Chicago, Illinois
312-440 Chicago, Illinois
312-441 Chicago, Illinois
312-442 Chicago, Illinois
312-443 Chicago, Illinois
312-444 Chicago, Illinois
312-445 Chicago, Illinois
312-446 Buffalo Grove, Illinois
312-447 Chicago, Illinois
312-448 Chicago, Illinois
312-449 Burr Ridge, Illinois
312-450 Chicago, Illinois
312-451 Chicago, Illinois
312-452 Chicago, Illinois
312-453 Chicago, Illinois
312-454 Chicago, Illinois
312-455 Chicago, Illinois
312-456 Chicago, Illinois
312-457 Burr Ridge, Illinois
312-458 Chicago, Illinois
312-459 Chicago, Illinois
312-460 Chicago, Illinois
312-461 Chicago, Illinois
312-462 Chicago, Illinois
312-463 Chicago, Illinois
312-464 Chicago, Illinois
312-465 Chicago, Illinois
312-466 Chicago, Illinois
312-467 Chicago, Illinois
312-469 Chicago, Illinois
312-470 Bensenville, Illinois
312-472 Chicago, Illinois
312-473 Chicago, Illinois
312-474 Chicago, Illinois
312-475 Chicago, Illinois
312-476 Chicago, Illinois
312-477 Chicago, Illinois
312-478 Chicago, Illinois
312-479 Chicago, Illinois
312-480 Chicago, Illinois
312-482 Chicago, Illinois
312-484 Burr Ridge, Illinois
312-485 Chicago, Illinois
312-486 Chicago, Illinois
312-488 Chicago, Illinois
312-489 Chicago, Illinois
312-490 Burr Ridge, Illinois
312-491 Chicago, Illinois
312-492 Chicago, Illinois
312-493 Chicago, Illinois
312-494 Chicago, Illinois
312-495 Burr Ridge, Illinois