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).

  • 3122340300 | +1 312-234-0300 Illinois U.S.A.
  • 3122340301 | +1 312-234-0301 Illinois U.S.A.
  • 3122340302 | +1 312-234-0302 Illinois U.S.A.
  • 3122340303 | +1 312-234-0303 Illinois U.S.A.
  • 3122340304 | +1 312-234-0304 Illinois U.S.A.
  • 3122340305 | +1 312-234-0305 Illinois U.S.A.
  • 3122340306 | +1 312-234-0306 Illinois U.S.A.
  • 3122340307 | +1 312-234-0307 Illinois U.S.A.
  • 3122340308 | +1 312-234-0308 Illinois U.S.A.
  • 3122340309 | +1 312-234-0309 Illinois U.S.A.
  • 3122340310 | +1 312-234-0310 Illinois U.S.A.
  • 3122340311 | +1 312-234-0311 Illinois U.S.A.
  • 3122340312 | +1 312-234-0312 Illinois U.S.A.
  • 3122340313 | +1 312-234-0313 Illinois U.S.A.
  • 3122340314 | +1 312-234-0314 Illinois U.S.A.
  • 3122340315 | +1 312-234-0315 Illinois U.S.A.
  • 3122340316 | +1 312-234-0316 Illinois U.S.A.
  • 3122340317 | +1 312-234-0317 Illinois U.S.A.
  • 3122340318 | +1 312-234-0318 Illinois U.S.A.
  • 3122340319 | +1 312-234-0319 Illinois U.S.A.
  • 3122340320 | +1 312-234-0320 Illinois U.S.A.
  • 3122340321 | +1 312-234-0321 Illinois U.S.A.
  • 3122340322 | +1 312-234-0322 Illinois U.S.A.
  • 3122340323 | +1 312-234-0323 Illinois U.S.A.
  • 3122340324 | +1 312-234-0324 Illinois U.S.A.
  • 3122340325 | +1 312-234-0325 Illinois U.S.A.
  • 3122340326 | +1 312-234-0326 Illinois U.S.A.
  • 3122340327 | +1 312-234-0327 Illinois U.S.A.
  • 3122340328 | +1 312-234-0328 Illinois U.S.A.
  • 3122340329 | +1 312-234-0329 Illinois U.S.A.
  • 3122340330 | +1 312-234-0330 Illinois U.S.A.
  • 3122340331 | +1 312-234-0331 Illinois U.S.A.
  • 3122340332 | +1 312-234-0332 Illinois U.S.A.
  • 3122340333 | +1 312-234-0333 Illinois U.S.A.
  • 3122340334 | +1 312-234-0334 Illinois U.S.A.
  • 3122340335 | +1 312-234-0335 Illinois U.S.A.
  • 3122340336 | +1 312-234-0336 Illinois U.S.A.
  • 3122340337 | +1 312-234-0337 Illinois U.S.A.
  • 3122340338 | +1 312-234-0338 Illinois U.S.A.
  • 3122340339 | +1 312-234-0339 Illinois U.S.A.
  • 3122340340 | +1 312-234-0340 Illinois U.S.A.
  • 3122340341 | +1 312-234-0341 Illinois U.S.A.
  • 3122340342 | +1 312-234-0342 Illinois U.S.A.
  • 3122340343 | +1 312-234-0343 Illinois U.S.A.
  • 3122340344 | +1 312-234-0344 Illinois U.S.A.
  • 3122340345 | +1 312-234-0345 Illinois U.S.A.
  • 3122340346 | +1 312-234-0346 Illinois U.S.A.
  • 3122340347 | +1 312-234-0347 Illinois U.S.A.
  • 3122340348 | +1 312-234-0348 Illinois U.S.A.
  • 3122340349 | +1 312-234-0349 Illinois U.S.A.
  • 3122340350 | +1 312-234-0350 Illinois U.S.A.
  • 3122340351 | +1 312-234-0351 Illinois U.S.A.
  • 3122340352 | +1 312-234-0352 Illinois U.S.A.
  • 3122340353 | +1 312-234-0353 Illinois U.S.A.
  • 3122340354 | +1 312-234-0354 Illinois U.S.A.
  • 3122340355 | +1 312-234-0355 Illinois U.S.A.
  • 3122340356 | +1 312-234-0356 Illinois U.S.A.
  • 3122340357 | +1 312-234-0357 Illinois U.S.A.
  • 3122340358 | +1 312-234-0358 Illinois U.S.A.
  • 3122340359 | +1 312-234-0359 Illinois U.S.A.
  • 3122340360 | +1 312-234-0360 Illinois U.S.A.
  • 3122340361 | +1 312-234-0361 Illinois U.S.A.
  • 3122340362 | +1 312-234-0362 Illinois U.S.A.
  • 3122340363 | +1 312-234-0363 Illinois U.S.A.
  • 3122340364 | +1 312-234-0364 Illinois U.S.A.
  • 3122340365 | +1 312-234-0365 Illinois U.S.A.
  • 3122340366 | +1 312-234-0366 Illinois U.S.A.
  • 3122340367 | +1 312-234-0367 Illinois U.S.A.
  • 3122340368 | +1 312-234-0368 Illinois U.S.A.
  • 3122340369 | +1 312-234-0369 Illinois U.S.A.
  • 3122340370 | +1 312-234-0370 Illinois U.S.A.
  • 3122340371 | +1 312-234-0371 Illinois U.S.A.
  • 3122340372 | +1 312-234-0372 Illinois U.S.A.
  • 3122340373 | +1 312-234-0373 Illinois U.S.A.
  • 3122340374 | +1 312-234-0374 Illinois U.S.A.
  • 3122340375 | +1 312-234-0375 Illinois U.S.A.
  • 3122340376 | +1 312-234-0376 Illinois U.S.A.
  • 3122340377 | +1 312-234-0377 Illinois U.S.A.
  • 3122340378 | +1 312-234-0378 Illinois U.S.A.
  • 3122340379 | +1 312-234-0379 Illinois U.S.A.
  • 3122340380 | +1 312-234-0380 Illinois U.S.A.
  • 3122340381 | +1 312-234-0381 Illinois U.S.A.
  • 3122340382 | +1 312-234-0382 Illinois U.S.A.
  • 3122340383 | +1 312-234-0383 Illinois U.S.A.
  • 3122340384 | +1 312-234-0384 Illinois U.S.A.
  • 3122340385 | +1 312-234-0385 Illinois U.S.A.
  • 3122340386 | +1 312-234-0386 Illinois U.S.A.
  • 3122340387 | +1 312-234-0387 Illinois U.S.A.
  • 3122340388 | +1 312-234-0388 Illinois U.S.A.
  • 3122340389 | +1 312-234-0389 Illinois U.S.A.
  • 3122340390 | +1 312-234-0390 Illinois U.S.A.
  • 3122340391 | +1 312-234-0391 Illinois U.S.A.
  • 3122340392 | +1 312-234-0392 Illinois U.S.A.
  • 3122340393 | +1 312-234-0393 Illinois U.S.A.
  • 3122340394 | +1 312-234-0394 Illinois U.S.A.
  • 3122340395 | +1 312-234-0395 Illinois U.S.A.
  • 3122340396 | +1 312-234-0396 Illinois U.S.A.
  • 3122340397 | +1 312-234-0397 Illinois U.S.A.
  • 3122340398 | +1 312-234-0398 Illinois U.S.A.
  • 3122340399 | +1 312-234-0399 Illinois U.S.A.