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).

  • 3124920300 | +1 312-492-0300 Illinois U.S.A.
  • 3124920301 | +1 312-492-0301 Illinois U.S.A.
  • 3124920302 | +1 312-492-0302 Illinois U.S.A.
  • 3124920303 | +1 312-492-0303 Illinois U.S.A.
  • 3124920304 | +1 312-492-0304 Illinois U.S.A.
  • 3124920305 | +1 312-492-0305 Illinois U.S.A.
  • 3124920306 | +1 312-492-0306 Illinois U.S.A.
  • 3124920307 | +1 312-492-0307 Illinois U.S.A.
  • 3124920308 | +1 312-492-0308 Illinois U.S.A.
  • 3124920309 | +1 312-492-0309 Illinois U.S.A.
  • 3124920310 | +1 312-492-0310 Illinois U.S.A.
  • 3124920311 | +1 312-492-0311 Illinois U.S.A.
  • 3124920312 | +1 312-492-0312 Illinois U.S.A.
  • 3124920313 | +1 312-492-0313 Illinois U.S.A.
  • 3124920314 | +1 312-492-0314 Illinois U.S.A.
  • 3124920315 | +1 312-492-0315 Illinois U.S.A.
  • 3124920316 | +1 312-492-0316 Illinois U.S.A.
  • 3124920317 | +1 312-492-0317 Illinois U.S.A.
  • 3124920318 | +1 312-492-0318 Illinois U.S.A.
  • 3124920319 | +1 312-492-0319 Illinois U.S.A.
  • 3124920320 | +1 312-492-0320 Illinois U.S.A.
  • 3124920321 | +1 312-492-0321 Illinois U.S.A.
  • 3124920322 | +1 312-492-0322 Illinois U.S.A.
  • 3124920323 | +1 312-492-0323 Illinois U.S.A.
  • 3124920324 | +1 312-492-0324 Illinois U.S.A.
  • 3124920325 | +1 312-492-0325 Illinois U.S.A.
  • 3124920326 | +1 312-492-0326 Illinois U.S.A.
  • 3124920327 | +1 312-492-0327 Illinois U.S.A.
  • 3124920328 | +1 312-492-0328 Illinois U.S.A.
  • 3124920329 | +1 312-492-0329 Illinois U.S.A.
  • 3124920330 | +1 312-492-0330 Illinois U.S.A.
  • 3124920331 | +1 312-492-0331 Illinois U.S.A.
  • 3124920332 | +1 312-492-0332 Illinois U.S.A.
  • 3124920333 | +1 312-492-0333 Illinois U.S.A.
  • 3124920334 | +1 312-492-0334 Illinois U.S.A.
  • 3124920335 | +1 312-492-0335 Illinois U.S.A.
  • 3124920336 | +1 312-492-0336 Illinois U.S.A.
  • 3124920337 | +1 312-492-0337 Illinois U.S.A.
  • 3124920338 | +1 312-492-0338 Illinois U.S.A.
  • 3124920339 | +1 312-492-0339 Illinois U.S.A.
  • 3124920340 | +1 312-492-0340 Illinois U.S.A.
  • 3124920341 | +1 312-492-0341 Illinois U.S.A.
  • 3124920342 | +1 312-492-0342 Illinois U.S.A.
  • 3124920343 | +1 312-492-0343 Illinois U.S.A.
  • 3124920344 | +1 312-492-0344 Illinois U.S.A.
  • 3124920345 | +1 312-492-0345 Illinois U.S.A.
  • 3124920346 | +1 312-492-0346 Illinois U.S.A.
  • 3124920347 | +1 312-492-0347 Illinois U.S.A.
  • 3124920348 | +1 312-492-0348 Illinois U.S.A.
  • 3124920349 | +1 312-492-0349 Illinois U.S.A.
  • 3124920350 | +1 312-492-0350 Illinois U.S.A.
  • 3124920351 | +1 312-492-0351 Illinois U.S.A.
  • 3124920352 | +1 312-492-0352 Illinois U.S.A.
  • 3124920353 | +1 312-492-0353 Illinois U.S.A.
  • 3124920354 | +1 312-492-0354 Illinois U.S.A.
  • 3124920355 | +1 312-492-0355 Illinois U.S.A.
  • 3124920356 | +1 312-492-0356 Illinois U.S.A.
  • 3124920357 | +1 312-492-0357 Illinois U.S.A.
  • 3124920358 | +1 312-492-0358 Illinois U.S.A.
  • 3124920359 | +1 312-492-0359 Illinois U.S.A.
  • 3124920360 | +1 312-492-0360 Illinois U.S.A.
  • 3124920361 | +1 312-492-0361 Illinois U.S.A.
  • 3124920362 | +1 312-492-0362 Illinois U.S.A.
  • 3124920363 | +1 312-492-0363 Illinois U.S.A.
  • 3124920364 | +1 312-492-0364 Illinois U.S.A.
  • 3124920365 | +1 312-492-0365 Illinois U.S.A.
  • 3124920366 | +1 312-492-0366 Illinois U.S.A.
  • 3124920367 | +1 312-492-0367 Illinois U.S.A.
  • 3124920368 | +1 312-492-0368 Illinois U.S.A.
  • 3124920369 | +1 312-492-0369 Illinois U.S.A.
  • 3124920370 | +1 312-492-0370 Illinois U.S.A.
  • 3124920371 | +1 312-492-0371 Illinois U.S.A.
  • 3124920372 | +1 312-492-0372 Illinois U.S.A.
  • 3124920373 | +1 312-492-0373 Illinois U.S.A.
  • 3124920374 | +1 312-492-0374 Illinois U.S.A.
  • 3124920375 | +1 312-492-0375 Illinois U.S.A.
  • 3124920376 | +1 312-492-0376 Illinois U.S.A.
  • 3124920377 | +1 312-492-0377 Illinois U.S.A.
  • 3124920378 | +1 312-492-0378 Illinois U.S.A.
  • 3124920379 | +1 312-492-0379 Illinois U.S.A.
  • 3124920380 | +1 312-492-0380 Illinois U.S.A.
  • 3124920381 | +1 312-492-0381 Illinois U.S.A.
  • 3124920382 | +1 312-492-0382 Illinois U.S.A.
  • 3124920383 | +1 312-492-0383 Illinois U.S.A.
  • 3124920384 | +1 312-492-0384 Illinois U.S.A.
  • 3124920385 | +1 312-492-0385 Illinois U.S.A.
  • 3124920386 | +1 312-492-0386 Illinois U.S.A.
  • 3124920387 | +1 312-492-0387 Illinois U.S.A.
  • 3124920388 | +1 312-492-0388 Illinois U.S.A.
  • 3124920389 | +1 312-492-0389 Illinois U.S.A.
  • 3124920390 | +1 312-492-0390 Illinois U.S.A.
  • 3124920391 | +1 312-492-0391 Illinois U.S.A.
  • 3124920392 | +1 312-492-0392 Illinois U.S.A.
  • 3124920393 | +1 312-492-0393 Illinois U.S.A.
  • 3124920394 | +1 312-492-0394 Illinois U.S.A.
  • 3124920395 | +1 312-492-0395 Illinois U.S.A.
  • 3124920396 | +1 312-492-0396 Illinois U.S.A.
  • 3124920397 | +1 312-492-0397 Illinois U.S.A.
  • 3124920398 | +1 312-492-0398 Illinois U.S.A.
  • 3124920399 | +1 312-492-0399 Illinois U.S.A.