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).

  • 3129920300 | +1 312-992-0300 Illinois U.S.A.
  • 3129920301 | +1 312-992-0301 Illinois U.S.A.
  • 3129920302 | +1 312-992-0302 Illinois U.S.A.
  • 3129920303 | +1 312-992-0303 Illinois U.S.A.
  • 3129920304 | +1 312-992-0304 Illinois U.S.A.
  • 3129920305 | +1 312-992-0305 Illinois U.S.A.
  • 3129920306 | +1 312-992-0306 Illinois U.S.A.
  • 3129920307 | +1 312-992-0307 Illinois U.S.A.
  • 3129920308 | +1 312-992-0308 Illinois U.S.A.
  • 3129920309 | +1 312-992-0309 Illinois U.S.A.
  • 3129920310 | +1 312-992-0310 Illinois U.S.A.
  • 3129920311 | +1 312-992-0311 Illinois U.S.A.
  • 3129920312 | +1 312-992-0312 Illinois U.S.A.
  • 3129920313 | +1 312-992-0313 Illinois U.S.A.
  • 3129920314 | +1 312-992-0314 Illinois U.S.A.
  • 3129920315 | +1 312-992-0315 Illinois U.S.A.
  • 3129920316 | +1 312-992-0316 Illinois U.S.A.
  • 3129920317 | +1 312-992-0317 Illinois U.S.A.
  • 3129920318 | +1 312-992-0318 Illinois U.S.A.
  • 3129920319 | +1 312-992-0319 Illinois U.S.A.
  • 3129920320 | +1 312-992-0320 Illinois U.S.A.
  • 3129920321 | +1 312-992-0321 Illinois U.S.A.
  • 3129920322 | +1 312-992-0322 Illinois U.S.A.
  • 3129920323 | +1 312-992-0323 Illinois U.S.A.
  • 3129920324 | +1 312-992-0324 Illinois U.S.A.
  • 3129920325 | +1 312-992-0325 Illinois U.S.A.
  • 3129920326 | +1 312-992-0326 Illinois U.S.A.
  • 3129920327 | +1 312-992-0327 Illinois U.S.A.
  • 3129920328 | +1 312-992-0328 Illinois U.S.A.
  • 3129920329 | +1 312-992-0329 Illinois U.S.A.
  • 3129920330 | +1 312-992-0330 Illinois U.S.A.
  • 3129920331 | +1 312-992-0331 Illinois U.S.A.
  • 3129920332 | +1 312-992-0332 Illinois U.S.A.
  • 3129920333 | +1 312-992-0333 Illinois U.S.A.
  • 3129920334 | +1 312-992-0334 Illinois U.S.A.
  • 3129920335 | +1 312-992-0335 Illinois U.S.A.
  • 3129920336 | +1 312-992-0336 Illinois U.S.A.
  • 3129920337 | +1 312-992-0337 Illinois U.S.A.
  • 3129920338 | +1 312-992-0338 Illinois U.S.A.
  • 3129920339 | +1 312-992-0339 Illinois U.S.A.
  • 3129920340 | +1 312-992-0340 Illinois U.S.A.
  • 3129920341 | +1 312-992-0341 Illinois U.S.A.
  • 3129920342 | +1 312-992-0342 Illinois U.S.A.
  • 3129920343 | +1 312-992-0343 Illinois U.S.A.
  • 3129920344 | +1 312-992-0344 Illinois U.S.A.
  • 3129920345 | +1 312-992-0345 Illinois U.S.A.
  • 3129920346 | +1 312-992-0346 Illinois U.S.A.
  • 3129920347 | +1 312-992-0347 Illinois U.S.A.
  • 3129920348 | +1 312-992-0348 Illinois U.S.A.
  • 3129920349 | +1 312-992-0349 Illinois U.S.A.
  • 3129920350 | +1 312-992-0350 Illinois U.S.A.
  • 3129920351 | +1 312-992-0351 Illinois U.S.A.
  • 3129920352 | +1 312-992-0352 Illinois U.S.A.
  • 3129920353 | +1 312-992-0353 Illinois U.S.A.
  • 3129920354 | +1 312-992-0354 Illinois U.S.A.
  • 3129920355 | +1 312-992-0355 Illinois U.S.A.
  • 3129920356 | +1 312-992-0356 Illinois U.S.A.
  • 3129920357 | +1 312-992-0357 Illinois U.S.A.
  • 3129920358 | +1 312-992-0358 Illinois U.S.A.
  • 3129920359 | +1 312-992-0359 Illinois U.S.A.
  • 3129920360 | +1 312-992-0360 Illinois U.S.A.
  • 3129920361 | +1 312-992-0361 Illinois U.S.A.
  • 3129920362 | +1 312-992-0362 Illinois U.S.A.
  • 3129920363 | +1 312-992-0363 Illinois U.S.A.
  • 3129920364 | +1 312-992-0364 Illinois U.S.A.
  • 3129920365 | +1 312-992-0365 Illinois U.S.A.
  • 3129920366 | +1 312-992-0366 Illinois U.S.A.
  • 3129920367 | +1 312-992-0367 Illinois U.S.A.
  • 3129920368 | +1 312-992-0368 Illinois U.S.A.
  • 3129920369 | +1 312-992-0369 Illinois U.S.A.
  • 3129920370 | +1 312-992-0370 Illinois U.S.A.
  • 3129920371 | +1 312-992-0371 Illinois U.S.A.
  • 3129920372 | +1 312-992-0372 Illinois U.S.A.
  • 3129920373 | +1 312-992-0373 Illinois U.S.A.
  • 3129920374 | +1 312-992-0374 Illinois U.S.A.
  • 3129920375 | +1 312-992-0375 Illinois U.S.A.
  • 3129920376 | +1 312-992-0376 Illinois U.S.A.
  • 3129920377 | +1 312-992-0377 Illinois U.S.A.
  • 3129920378 | +1 312-992-0378 Illinois U.S.A.
  • 3129920379 | +1 312-992-0379 Illinois U.S.A.
  • 3129920380 | +1 312-992-0380 Illinois U.S.A.
  • 3129920381 | +1 312-992-0381 Illinois U.S.A.
  • 3129920382 | +1 312-992-0382 Illinois U.S.A.
  • 3129920383 | +1 312-992-0383 Illinois U.S.A.
  • 3129920384 | +1 312-992-0384 Illinois U.S.A.
  • 3129920385 | +1 312-992-0385 Illinois U.S.A.
  • 3129920386 | +1 312-992-0386 Illinois U.S.A.
  • 3129920387 | +1 312-992-0387 Illinois U.S.A.
  • 3129920388 | +1 312-992-0388 Illinois U.S.A.
  • 3129920389 | +1 312-992-0389 Illinois U.S.A.
  • 3129920390 | +1 312-992-0390 Illinois U.S.A.
  • 3129920391 | +1 312-992-0391 Illinois U.S.A.
  • 3129920392 | +1 312-992-0392 Illinois U.S.A.
  • 3129920393 | +1 312-992-0393 Illinois U.S.A.
  • 3129920394 | +1 312-992-0394 Illinois U.S.A.
  • 3129920395 | +1 312-992-0395 Illinois U.S.A.
  • 3129920396 | +1 312-992-0396 Illinois U.S.A.
  • 3129920397 | +1 312-992-0397 Illinois U.S.A.
  • 3129920398 | +1 312-992-0398 Illinois U.S.A.
  • 3129920399 | +1 312-992-0399 Illinois U.S.A.