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).

  • 3124220300 | +1 312-422-0300 Illinois U.S.A.
  • 3124220301 | +1 312-422-0301 Illinois U.S.A.
  • 3124220302 | +1 312-422-0302 Illinois U.S.A.
  • 3124220303 | +1 312-422-0303 Illinois U.S.A.
  • 3124220304 | +1 312-422-0304 Illinois U.S.A.
  • 3124220305 | +1 312-422-0305 Illinois U.S.A.
  • 3124220306 | +1 312-422-0306 Illinois U.S.A.
  • 3124220307 | +1 312-422-0307 Illinois U.S.A.
  • 3124220308 | +1 312-422-0308 Illinois U.S.A.
  • 3124220309 | +1 312-422-0309 Illinois U.S.A.
  • 3124220310 | +1 312-422-0310 Illinois U.S.A.
  • 3124220311 | +1 312-422-0311 Illinois U.S.A.
  • 3124220312 | +1 312-422-0312 Illinois U.S.A.
  • 3124220313 | +1 312-422-0313 Illinois U.S.A.
  • 3124220314 | +1 312-422-0314 Illinois U.S.A.
  • 3124220315 | +1 312-422-0315 Illinois U.S.A.
  • 3124220316 | +1 312-422-0316 Illinois U.S.A.
  • 3124220317 | +1 312-422-0317 Illinois U.S.A.
  • 3124220318 | +1 312-422-0318 Illinois U.S.A.
  • 3124220319 | +1 312-422-0319 Illinois U.S.A.
  • 3124220320 | +1 312-422-0320 Illinois U.S.A.
  • 3124220321 | +1 312-422-0321 Illinois U.S.A.
  • 3124220322 | +1 312-422-0322 Illinois U.S.A.
  • 3124220323 | +1 312-422-0323 Illinois U.S.A.
  • 3124220324 | +1 312-422-0324 Illinois U.S.A.
  • 3124220325 | +1 312-422-0325 Illinois U.S.A.
  • 3124220326 | +1 312-422-0326 Illinois U.S.A.
  • 3124220327 | +1 312-422-0327 Illinois U.S.A.
  • 3124220328 | +1 312-422-0328 Illinois U.S.A.
  • 3124220329 | +1 312-422-0329 Illinois U.S.A.
  • 3124220330 | +1 312-422-0330 Illinois U.S.A.
  • 3124220331 | +1 312-422-0331 Illinois U.S.A.
  • 3124220332 | +1 312-422-0332 Illinois U.S.A.
  • 3124220333 | +1 312-422-0333 Illinois U.S.A.
  • 3124220334 | +1 312-422-0334 Illinois U.S.A.
  • 3124220335 | +1 312-422-0335 Illinois U.S.A.
  • 3124220336 | +1 312-422-0336 Illinois U.S.A.
  • 3124220337 | +1 312-422-0337 Illinois U.S.A.
  • 3124220338 | +1 312-422-0338 Illinois U.S.A.
  • 3124220339 | +1 312-422-0339 Illinois U.S.A.
  • 3124220340 | +1 312-422-0340 Illinois U.S.A.
  • 3124220341 | +1 312-422-0341 Illinois U.S.A.
  • 3124220342 | +1 312-422-0342 Illinois U.S.A.
  • 3124220343 | +1 312-422-0343 Illinois U.S.A.
  • 3124220344 | +1 312-422-0344 Illinois U.S.A.
  • 3124220345 | +1 312-422-0345 Illinois U.S.A.
  • 3124220346 | +1 312-422-0346 Illinois U.S.A.
  • 3124220347 | +1 312-422-0347 Illinois U.S.A.
  • 3124220348 | +1 312-422-0348 Illinois U.S.A.
  • 3124220349 | +1 312-422-0349 Illinois U.S.A.
  • 3124220350 | +1 312-422-0350 Illinois U.S.A.
  • 3124220351 | +1 312-422-0351 Illinois U.S.A.
  • 3124220352 | +1 312-422-0352 Illinois U.S.A.
  • 3124220353 | +1 312-422-0353 Illinois U.S.A.
  • 3124220354 | +1 312-422-0354 Illinois U.S.A.
  • 3124220355 | +1 312-422-0355 Illinois U.S.A.
  • 3124220356 | +1 312-422-0356 Illinois U.S.A.
  • 3124220357 | +1 312-422-0357 Illinois U.S.A.
  • 3124220358 | +1 312-422-0358 Illinois U.S.A.
  • 3124220359 | +1 312-422-0359 Illinois U.S.A.
  • 3124220360 | +1 312-422-0360 Illinois U.S.A.
  • 3124220361 | +1 312-422-0361 Illinois U.S.A.
  • 3124220362 | +1 312-422-0362 Illinois U.S.A.
  • 3124220363 | +1 312-422-0363 Illinois U.S.A.
  • 3124220364 | +1 312-422-0364 Illinois U.S.A.
  • 3124220365 | +1 312-422-0365 Illinois U.S.A.
  • 3124220366 | +1 312-422-0366 Illinois U.S.A.
  • 3124220367 | +1 312-422-0367 Illinois U.S.A.
  • 3124220368 | +1 312-422-0368 Illinois U.S.A.
  • 3124220369 | +1 312-422-0369 Illinois U.S.A.
  • 3124220370 | +1 312-422-0370 Illinois U.S.A.
  • 3124220371 | +1 312-422-0371 Illinois U.S.A.
  • 3124220372 | +1 312-422-0372 Illinois U.S.A.
  • 3124220373 | +1 312-422-0373 Illinois U.S.A.
  • 3124220374 | +1 312-422-0374 Illinois U.S.A.
  • 3124220375 | +1 312-422-0375 Illinois U.S.A.
  • 3124220376 | +1 312-422-0376 Illinois U.S.A.
  • 3124220377 | +1 312-422-0377 Illinois U.S.A.
  • 3124220378 | +1 312-422-0378 Illinois U.S.A.
  • 3124220379 | +1 312-422-0379 Illinois U.S.A.
  • 3124220380 | +1 312-422-0380 Illinois U.S.A.
  • 3124220381 | +1 312-422-0381 Illinois U.S.A.
  • 3124220382 | +1 312-422-0382 Illinois U.S.A.
  • 3124220383 | +1 312-422-0383 Illinois U.S.A.
  • 3124220384 | +1 312-422-0384 Illinois U.S.A.
  • 3124220385 | +1 312-422-0385 Illinois U.S.A.
  • 3124220386 | +1 312-422-0386 Illinois U.S.A.
  • 3124220387 | +1 312-422-0387 Illinois U.S.A.
  • 3124220388 | +1 312-422-0388 Illinois U.S.A.
  • 3124220389 | +1 312-422-0389 Illinois U.S.A.
  • 3124220390 | +1 312-422-0390 Illinois U.S.A.
  • 3124220391 | +1 312-422-0391 Illinois U.S.A.
  • 3124220392 | +1 312-422-0392 Illinois U.S.A.
  • 3124220393 | +1 312-422-0393 Illinois U.S.A.
  • 3124220394 | +1 312-422-0394 Illinois U.S.A.
  • 3124220395 | +1 312-422-0395 Illinois U.S.A.
  • 3124220396 | +1 312-422-0396 Illinois U.S.A.
  • 3124220397 | +1 312-422-0397 Illinois U.S.A.
  • 3124220398 | +1 312-422-0398 Illinois U.S.A.
  • 3124220399 | +1 312-422-0399 Illinois U.S.A.