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).

  • 3128920300 | +1 312-892-0300 Illinois U.S.A.
  • 3128920301 | +1 312-892-0301 Illinois U.S.A.
  • 3128920302 | +1 312-892-0302 Illinois U.S.A.
  • 3128920303 | +1 312-892-0303 Illinois U.S.A.
  • 3128920304 | +1 312-892-0304 Illinois U.S.A.
  • 3128920305 | +1 312-892-0305 Illinois U.S.A.
  • 3128920306 | +1 312-892-0306 Illinois U.S.A.
  • 3128920307 | +1 312-892-0307 Illinois U.S.A.
  • 3128920308 | +1 312-892-0308 Illinois U.S.A.
  • 3128920309 | +1 312-892-0309 Illinois U.S.A.
  • 3128920310 | +1 312-892-0310 Illinois U.S.A.
  • 3128920311 | +1 312-892-0311 Illinois U.S.A.
  • 3128920312 | +1 312-892-0312 Illinois U.S.A.
  • 3128920313 | +1 312-892-0313 Illinois U.S.A.
  • 3128920314 | +1 312-892-0314 Illinois U.S.A.
  • 3128920315 | +1 312-892-0315 Illinois U.S.A.
  • 3128920316 | +1 312-892-0316 Illinois U.S.A.
  • 3128920317 | +1 312-892-0317 Illinois U.S.A.
  • 3128920318 | +1 312-892-0318 Illinois U.S.A.
  • 3128920319 | +1 312-892-0319 Illinois U.S.A.
  • 3128920320 | +1 312-892-0320 Illinois U.S.A.
  • 3128920321 | +1 312-892-0321 Illinois U.S.A.
  • 3128920322 | +1 312-892-0322 Illinois U.S.A.
  • 3128920323 | +1 312-892-0323 Illinois U.S.A.
  • 3128920324 | +1 312-892-0324 Illinois U.S.A.
  • 3128920325 | +1 312-892-0325 Illinois U.S.A.
  • 3128920326 | +1 312-892-0326 Illinois U.S.A.
  • 3128920327 | +1 312-892-0327 Illinois U.S.A.
  • 3128920328 | +1 312-892-0328 Illinois U.S.A.
  • 3128920329 | +1 312-892-0329 Illinois U.S.A.
  • 3128920330 | +1 312-892-0330 Illinois U.S.A.
  • 3128920331 | +1 312-892-0331 Illinois U.S.A.
  • 3128920332 | +1 312-892-0332 Illinois U.S.A.
  • 3128920333 | +1 312-892-0333 Illinois U.S.A.
  • 3128920334 | +1 312-892-0334 Illinois U.S.A.
  • 3128920335 | +1 312-892-0335 Illinois U.S.A.
  • 3128920336 | +1 312-892-0336 Illinois U.S.A.
  • 3128920337 | +1 312-892-0337 Illinois U.S.A.
  • 3128920338 | +1 312-892-0338 Illinois U.S.A.
  • 3128920339 | +1 312-892-0339 Illinois U.S.A.
  • 3128920340 | +1 312-892-0340 Illinois U.S.A.
  • 3128920341 | +1 312-892-0341 Illinois U.S.A.
  • 3128920342 | +1 312-892-0342 Illinois U.S.A.
  • 3128920343 | +1 312-892-0343 Illinois U.S.A.
  • 3128920344 | +1 312-892-0344 Illinois U.S.A.
  • 3128920345 | +1 312-892-0345 Illinois U.S.A.
  • 3128920346 | +1 312-892-0346 Illinois U.S.A.
  • 3128920347 | +1 312-892-0347 Illinois U.S.A.
  • 3128920348 | +1 312-892-0348 Illinois U.S.A.
  • 3128920349 | +1 312-892-0349 Illinois U.S.A.
  • 3128920350 | +1 312-892-0350 Illinois U.S.A.
  • 3128920351 | +1 312-892-0351 Illinois U.S.A.
  • 3128920352 | +1 312-892-0352 Illinois U.S.A.
  • 3128920353 | +1 312-892-0353 Illinois U.S.A.
  • 3128920354 | +1 312-892-0354 Illinois U.S.A.
  • 3128920355 | +1 312-892-0355 Illinois U.S.A.
  • 3128920356 | +1 312-892-0356 Illinois U.S.A.
  • 3128920357 | +1 312-892-0357 Illinois U.S.A.
  • 3128920358 | +1 312-892-0358 Illinois U.S.A.
  • 3128920359 | +1 312-892-0359 Illinois U.S.A.
  • 3128920360 | +1 312-892-0360 Illinois U.S.A.
  • 3128920361 | +1 312-892-0361 Illinois U.S.A.
  • 3128920362 | +1 312-892-0362 Illinois U.S.A.
  • 3128920363 | +1 312-892-0363 Illinois U.S.A.
  • 3128920364 | +1 312-892-0364 Illinois U.S.A.
  • 3128920365 | +1 312-892-0365 Illinois U.S.A.
  • 3128920366 | +1 312-892-0366 Illinois U.S.A.
  • 3128920367 | +1 312-892-0367 Illinois U.S.A.
  • 3128920368 | +1 312-892-0368 Illinois U.S.A.
  • 3128920369 | +1 312-892-0369 Illinois U.S.A.
  • 3128920370 | +1 312-892-0370 Illinois U.S.A.
  • 3128920371 | +1 312-892-0371 Illinois U.S.A.
  • 3128920372 | +1 312-892-0372 Illinois U.S.A.
  • 3128920373 | +1 312-892-0373 Illinois U.S.A.
  • 3128920374 | +1 312-892-0374 Illinois U.S.A.
  • 3128920375 | +1 312-892-0375 Illinois U.S.A.
  • 3128920376 | +1 312-892-0376 Illinois U.S.A.
  • 3128920377 | +1 312-892-0377 Illinois U.S.A.
  • 3128920378 | +1 312-892-0378 Illinois U.S.A.
  • 3128920379 | +1 312-892-0379 Illinois U.S.A.
  • 3128920380 | +1 312-892-0380 Illinois U.S.A.
  • 3128920381 | +1 312-892-0381 Illinois U.S.A.
  • 3128920382 | +1 312-892-0382 Illinois U.S.A.
  • 3128920383 | +1 312-892-0383 Illinois U.S.A.
  • 3128920384 | +1 312-892-0384 Illinois U.S.A.
  • 3128920385 | +1 312-892-0385 Illinois U.S.A.
  • 3128920386 | +1 312-892-0386 Illinois U.S.A.
  • 3128920387 | +1 312-892-0387 Illinois U.S.A.
  • 3128920388 | +1 312-892-0388 Illinois U.S.A.
  • 3128920389 | +1 312-892-0389 Illinois U.S.A.
  • 3128920390 | +1 312-892-0390 Illinois U.S.A.
  • 3128920391 | +1 312-892-0391 Illinois U.S.A.
  • 3128920392 | +1 312-892-0392 Illinois U.S.A.
  • 3128920393 | +1 312-892-0393 Illinois U.S.A.
  • 3128920394 | +1 312-892-0394 Illinois U.S.A.
  • 3128920395 | +1 312-892-0395 Illinois U.S.A.
  • 3128920396 | +1 312-892-0396 Illinois U.S.A.
  • 3128920397 | +1 312-892-0397 Illinois U.S.A.
  • 3128920398 | +1 312-892-0398 Illinois U.S.A.
  • 3128920399 | +1 312-892-0399 Illinois U.S.A.