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).

  • 3127900300 | +1 312-790-0300 Illinois U.S.A.
  • 3127900301 | +1 312-790-0301 Illinois U.S.A.
  • 3127900302 | +1 312-790-0302 Illinois U.S.A.
  • 3127900303 | +1 312-790-0303 Illinois U.S.A.
  • 3127900304 | +1 312-790-0304 Illinois U.S.A.
  • 3127900305 | +1 312-790-0305 Illinois U.S.A.
  • 3127900306 | +1 312-790-0306 Illinois U.S.A.
  • 3127900307 | +1 312-790-0307 Illinois U.S.A.
  • 3127900308 | +1 312-790-0308 Illinois U.S.A.
  • 3127900309 | +1 312-790-0309 Illinois U.S.A.
  • 3127900310 | +1 312-790-0310 Illinois U.S.A.
  • 3127900311 | +1 312-790-0311 Illinois U.S.A.
  • 3127900312 | +1 312-790-0312 Illinois U.S.A.
  • 3127900313 | +1 312-790-0313 Illinois U.S.A.
  • 3127900314 | +1 312-790-0314 Illinois U.S.A.
  • 3127900315 | +1 312-790-0315 Illinois U.S.A.
  • 3127900316 | +1 312-790-0316 Illinois U.S.A.
  • 3127900317 | +1 312-790-0317 Illinois U.S.A.
  • 3127900318 | +1 312-790-0318 Illinois U.S.A.
  • 3127900319 | +1 312-790-0319 Illinois U.S.A.
  • 3127900320 | +1 312-790-0320 Illinois U.S.A.
  • 3127900321 | +1 312-790-0321 Illinois U.S.A.
  • 3127900322 | +1 312-790-0322 Illinois U.S.A.
  • 3127900323 | +1 312-790-0323 Illinois U.S.A.
  • 3127900324 | +1 312-790-0324 Illinois U.S.A.
  • 3127900325 | +1 312-790-0325 Illinois U.S.A.
  • 3127900326 | +1 312-790-0326 Illinois U.S.A.
  • 3127900327 | +1 312-790-0327 Illinois U.S.A.
  • 3127900328 | +1 312-790-0328 Illinois U.S.A.
  • 3127900329 | +1 312-790-0329 Illinois U.S.A.
  • 3127900330 | +1 312-790-0330 Illinois U.S.A.
  • 3127900331 | +1 312-790-0331 Illinois U.S.A.
  • 3127900332 | +1 312-790-0332 Illinois U.S.A.
  • 3127900333 | +1 312-790-0333 Illinois U.S.A.
  • 3127900334 | +1 312-790-0334 Illinois U.S.A.
  • 3127900335 | +1 312-790-0335 Illinois U.S.A.
  • 3127900336 | +1 312-790-0336 Illinois U.S.A.
  • 3127900337 | +1 312-790-0337 Illinois U.S.A.
  • 3127900338 | +1 312-790-0338 Illinois U.S.A.
  • 3127900339 | +1 312-790-0339 Illinois U.S.A.
  • 3127900340 | +1 312-790-0340 Illinois U.S.A.
  • 3127900341 | +1 312-790-0341 Illinois U.S.A.
  • 3127900342 | +1 312-790-0342 Illinois U.S.A.
  • 3127900343 | +1 312-790-0343 Illinois U.S.A.
  • 3127900344 | +1 312-790-0344 Illinois U.S.A.
  • 3127900345 | +1 312-790-0345 Illinois U.S.A.
  • 3127900346 | +1 312-790-0346 Illinois U.S.A.
  • 3127900347 | +1 312-790-0347 Illinois U.S.A.
  • 3127900348 | +1 312-790-0348 Illinois U.S.A.
  • 3127900349 | +1 312-790-0349 Illinois U.S.A.
  • 3127900350 | +1 312-790-0350 Illinois U.S.A.
  • 3127900351 | +1 312-790-0351 Illinois U.S.A.
  • 3127900352 | +1 312-790-0352 Illinois U.S.A.
  • 3127900353 | +1 312-790-0353 Illinois U.S.A.
  • 3127900354 | +1 312-790-0354 Illinois U.S.A.
  • 3127900355 | +1 312-790-0355 Illinois U.S.A.
  • 3127900356 | +1 312-790-0356 Illinois U.S.A.
  • 3127900357 | +1 312-790-0357 Illinois U.S.A.
  • 3127900358 | +1 312-790-0358 Illinois U.S.A.
  • 3127900359 | +1 312-790-0359 Illinois U.S.A.
  • 3127900360 | +1 312-790-0360 Illinois U.S.A.
  • 3127900361 | +1 312-790-0361 Illinois U.S.A.
  • 3127900362 | +1 312-790-0362 Illinois U.S.A.
  • 3127900363 | +1 312-790-0363 Illinois U.S.A.
  • 3127900364 | +1 312-790-0364 Illinois U.S.A.
  • 3127900365 | +1 312-790-0365 Illinois U.S.A.
  • 3127900366 | +1 312-790-0366 Illinois U.S.A.
  • 3127900367 | +1 312-790-0367 Illinois U.S.A.
  • 3127900368 | +1 312-790-0368 Illinois U.S.A.
  • 3127900369 | +1 312-790-0369 Illinois U.S.A.
  • 3127900370 | +1 312-790-0370 Illinois U.S.A.
  • 3127900371 | +1 312-790-0371 Illinois U.S.A.
  • 3127900372 | +1 312-790-0372 Illinois U.S.A.
  • 3127900373 | +1 312-790-0373 Illinois U.S.A.
  • 3127900374 | +1 312-790-0374 Illinois U.S.A.
  • 3127900375 | +1 312-790-0375 Illinois U.S.A.
  • 3127900376 | +1 312-790-0376 Illinois U.S.A.
  • 3127900377 | +1 312-790-0377 Illinois U.S.A.
  • 3127900378 | +1 312-790-0378 Illinois U.S.A.
  • 3127900379 | +1 312-790-0379 Illinois U.S.A.
  • 3127900380 | +1 312-790-0380 Illinois U.S.A.
  • 3127900381 | +1 312-790-0381 Illinois U.S.A.
  • 3127900382 | +1 312-790-0382 Illinois U.S.A.
  • 3127900383 | +1 312-790-0383 Illinois U.S.A.
  • 3127900384 | +1 312-790-0384 Illinois U.S.A.
  • 3127900385 | +1 312-790-0385 Illinois U.S.A.
  • 3127900386 | +1 312-790-0386 Illinois U.S.A.
  • 3127900387 | +1 312-790-0387 Illinois U.S.A.
  • 3127900388 | +1 312-790-0388 Illinois U.S.A.
  • 3127900389 | +1 312-790-0389 Illinois U.S.A.
  • 3127900390 | +1 312-790-0390 Illinois U.S.A.
  • 3127900391 | +1 312-790-0391 Illinois U.S.A.
  • 3127900392 | +1 312-790-0392 Illinois U.S.A.
  • 3127900393 | +1 312-790-0393 Illinois U.S.A.
  • 3127900394 | +1 312-790-0394 Illinois U.S.A.
  • 3127900395 | +1 312-790-0395 Illinois U.S.A.
  • 3127900396 | +1 312-790-0396 Illinois U.S.A.
  • 3127900397 | +1 312-790-0397 Illinois U.S.A.
  • 3127900398 | +1 312-790-0398 Illinois U.S.A.
  • 3127900399 | +1 312-790-0399 Illinois U.S.A.