City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3122420300 | +1 312-242-0300 Illinois U.S.A.
  • 3122420301 | +1 312-242-0301 Illinois U.S.A.
  • 3122420302 | +1 312-242-0302 Illinois U.S.A.
  • 3122420303 | +1 312-242-0303 Illinois U.S.A.
  • 3122420304 | +1 312-242-0304 Illinois U.S.A.
  • 3122420305 | +1 312-242-0305 Illinois U.S.A.
  • 3122420306 | +1 312-242-0306 Illinois U.S.A.
  • 3122420307 | +1 312-242-0307 Illinois U.S.A.
  • 3122420308 | +1 312-242-0308 Illinois U.S.A.
  • 3122420309 | +1 312-242-0309 Illinois U.S.A.
  • 3122420310 | +1 312-242-0310 Illinois U.S.A.
  • 3122420311 | +1 312-242-0311 Illinois U.S.A.
  • 3122420312 | +1 312-242-0312 Illinois U.S.A.
  • 3122420313 | +1 312-242-0313 Illinois U.S.A.
  • 3122420314 | +1 312-242-0314 Illinois U.S.A.
  • 3122420315 | +1 312-242-0315 Illinois U.S.A.
  • 3122420316 | +1 312-242-0316 Illinois U.S.A.
  • 3122420317 | +1 312-242-0317 Illinois U.S.A.
  • 3122420318 | +1 312-242-0318 Illinois U.S.A.
  • 3122420319 | +1 312-242-0319 Illinois U.S.A.
  • 3122420320 | +1 312-242-0320 Illinois U.S.A.
  • 3122420321 | +1 312-242-0321 Illinois U.S.A.
  • 3122420322 | +1 312-242-0322 Illinois U.S.A.
  • 3122420323 | +1 312-242-0323 Illinois U.S.A.
  • 3122420324 | +1 312-242-0324 Illinois U.S.A.
  • 3122420325 | +1 312-242-0325 Illinois U.S.A.
  • 3122420326 | +1 312-242-0326 Illinois U.S.A.
  • 3122420327 | +1 312-242-0327 Illinois U.S.A.
  • 3122420328 | +1 312-242-0328 Illinois U.S.A.
  • 3122420329 | +1 312-242-0329 Illinois U.S.A.
  • 3122420330 | +1 312-242-0330 Illinois U.S.A.
  • 3122420331 | +1 312-242-0331 Illinois U.S.A.
  • 3122420332 | +1 312-242-0332 Illinois U.S.A.
  • 3122420333 | +1 312-242-0333 Illinois U.S.A.
  • 3122420334 | +1 312-242-0334 Illinois U.S.A.
  • 3122420335 | +1 312-242-0335 Illinois U.S.A.
  • 3122420336 | +1 312-242-0336 Illinois U.S.A.
  • 3122420337 | +1 312-242-0337 Illinois U.S.A.
  • 3122420338 | +1 312-242-0338 Illinois U.S.A.
  • 3122420339 | +1 312-242-0339 Illinois U.S.A.
  • 3122420340 | +1 312-242-0340 Illinois U.S.A.
  • 3122420341 | +1 312-242-0341 Illinois U.S.A.
  • 3122420342 | +1 312-242-0342 Illinois U.S.A.
  • 3122420343 | +1 312-242-0343 Illinois U.S.A.
  • 3122420344 | +1 312-242-0344 Illinois U.S.A.
  • 3122420345 | +1 312-242-0345 Illinois U.S.A.
  • 3122420346 | +1 312-242-0346 Illinois U.S.A.
  • 3122420347 | +1 312-242-0347 Illinois U.S.A.
  • 3122420348 | +1 312-242-0348 Illinois U.S.A.
  • 3122420349 | +1 312-242-0349 Illinois U.S.A.
  • 3122420350 | +1 312-242-0350 Illinois U.S.A.
  • 3122420351 | +1 312-242-0351 Illinois U.S.A.
  • 3122420352 | +1 312-242-0352 Illinois U.S.A.
  • 3122420353 | +1 312-242-0353 Illinois U.S.A.
  • 3122420354 | +1 312-242-0354 Illinois U.S.A.
  • 3122420355 | +1 312-242-0355 Illinois U.S.A.
  • 3122420356 | +1 312-242-0356 Illinois U.S.A.
  • 3122420357 | +1 312-242-0357 Illinois U.S.A.
  • 3122420358 | +1 312-242-0358 Illinois U.S.A.
  • 3122420359 | +1 312-242-0359 Illinois U.S.A.
  • 3122420360 | +1 312-242-0360 Illinois U.S.A.
  • 3122420361 | +1 312-242-0361 Illinois U.S.A.
  • 3122420362 | +1 312-242-0362 Illinois U.S.A.
  • 3122420363 | +1 312-242-0363 Illinois U.S.A.
  • 3122420364 | +1 312-242-0364 Illinois U.S.A.
  • 3122420365 | +1 312-242-0365 Illinois U.S.A.
  • 3122420366 | +1 312-242-0366 Illinois U.S.A.
  • 3122420367 | +1 312-242-0367 Illinois U.S.A.
  • 3122420368 | +1 312-242-0368 Illinois U.S.A.
  • 3122420369 | +1 312-242-0369 Illinois U.S.A.
  • 3122420370 | +1 312-242-0370 Illinois U.S.A.
  • 3122420371 | +1 312-242-0371 Illinois U.S.A.
  • 3122420372 | +1 312-242-0372 Illinois U.S.A.
  • 3122420373 | +1 312-242-0373 Illinois U.S.A.
  • 3122420374 | +1 312-242-0374 Illinois U.S.A.
  • 3122420375 | +1 312-242-0375 Illinois U.S.A.
  • 3122420376 | +1 312-242-0376 Illinois U.S.A.
  • 3122420377 | +1 312-242-0377 Illinois U.S.A.
  • 3122420378 | +1 312-242-0378 Illinois U.S.A.
  • 3122420379 | +1 312-242-0379 Illinois U.S.A.
  • 3122420380 | +1 312-242-0380 Illinois U.S.A.
  • 3122420381 | +1 312-242-0381 Illinois U.S.A.
  • 3122420382 | +1 312-242-0382 Illinois U.S.A.
  • 3122420383 | +1 312-242-0383 Illinois U.S.A.
  • 3122420384 | +1 312-242-0384 Illinois U.S.A.
  • 3122420385 | +1 312-242-0385 Illinois U.S.A.
  • 3122420386 | +1 312-242-0386 Illinois U.S.A.
  • 3122420387 | +1 312-242-0387 Illinois U.S.A.
  • 3122420388 | +1 312-242-0388 Illinois U.S.A.
  • 3122420389 | +1 312-242-0389 Illinois U.S.A.
  • 3122420390 | +1 312-242-0390 Illinois U.S.A.
  • 3122420391 | +1 312-242-0391 Illinois U.S.A.
  • 3122420392 | +1 312-242-0392 Illinois U.S.A.
  • 3122420393 | +1 312-242-0393 Illinois U.S.A.
  • 3122420394 | +1 312-242-0394 Illinois U.S.A.
  • 3122420395 | +1 312-242-0395 Illinois U.S.A.
  • 3122420396 | +1 312-242-0396 Illinois U.S.A.
  • 3122420397 | +1 312-242-0397 Illinois U.S.A.
  • 3122420398 | +1 312-242-0398 Illinois U.S.A.
  • 3122420399 | +1 312-242-0399 Illinois U.S.A.