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).

  • 3129970300 | +1 312-997-0300 Illinois U.S.A.
  • 3129970301 | +1 312-997-0301 Illinois U.S.A.
  • 3129970302 | +1 312-997-0302 Illinois U.S.A.
  • 3129970303 | +1 312-997-0303 Illinois U.S.A.
  • 3129970304 | +1 312-997-0304 Illinois U.S.A.
  • 3129970305 | +1 312-997-0305 Illinois U.S.A.
  • 3129970306 | +1 312-997-0306 Illinois U.S.A.
  • 3129970307 | +1 312-997-0307 Illinois U.S.A.
  • 3129970308 | +1 312-997-0308 Illinois U.S.A.
  • 3129970309 | +1 312-997-0309 Illinois U.S.A.
  • 3129970310 | +1 312-997-0310 Illinois U.S.A.
  • 3129970311 | +1 312-997-0311 Illinois U.S.A.
  • 3129970312 | +1 312-997-0312 Illinois U.S.A.
  • 3129970313 | +1 312-997-0313 Illinois U.S.A.
  • 3129970314 | +1 312-997-0314 Illinois U.S.A.
  • 3129970315 | +1 312-997-0315 Illinois U.S.A.
  • 3129970316 | +1 312-997-0316 Illinois U.S.A.
  • 3129970317 | +1 312-997-0317 Illinois U.S.A.
  • 3129970318 | +1 312-997-0318 Illinois U.S.A.
  • 3129970319 | +1 312-997-0319 Illinois U.S.A.
  • 3129970320 | +1 312-997-0320 Illinois U.S.A.
  • 3129970321 | +1 312-997-0321 Illinois U.S.A.
  • 3129970322 | +1 312-997-0322 Illinois U.S.A.
  • 3129970323 | +1 312-997-0323 Illinois U.S.A.
  • 3129970324 | +1 312-997-0324 Illinois U.S.A.
  • 3129970325 | +1 312-997-0325 Illinois U.S.A.
  • 3129970326 | +1 312-997-0326 Illinois U.S.A.
  • 3129970327 | +1 312-997-0327 Illinois U.S.A.
  • 3129970328 | +1 312-997-0328 Illinois U.S.A.
  • 3129970329 | +1 312-997-0329 Illinois U.S.A.
  • 3129970330 | +1 312-997-0330 Illinois U.S.A.
  • 3129970331 | +1 312-997-0331 Illinois U.S.A.
  • 3129970332 | +1 312-997-0332 Illinois U.S.A.
  • 3129970333 | +1 312-997-0333 Illinois U.S.A.
  • 3129970334 | +1 312-997-0334 Illinois U.S.A.
  • 3129970335 | +1 312-997-0335 Illinois U.S.A.
  • 3129970336 | +1 312-997-0336 Illinois U.S.A.
  • 3129970337 | +1 312-997-0337 Illinois U.S.A.
  • 3129970338 | +1 312-997-0338 Illinois U.S.A.
  • 3129970339 | +1 312-997-0339 Illinois U.S.A.
  • 3129970340 | +1 312-997-0340 Illinois U.S.A.
  • 3129970341 | +1 312-997-0341 Illinois U.S.A.
  • 3129970342 | +1 312-997-0342 Illinois U.S.A.
  • 3129970343 | +1 312-997-0343 Illinois U.S.A.
  • 3129970344 | +1 312-997-0344 Illinois U.S.A.
  • 3129970345 | +1 312-997-0345 Illinois U.S.A.
  • 3129970346 | +1 312-997-0346 Illinois U.S.A.
  • 3129970347 | +1 312-997-0347 Illinois U.S.A.
  • 3129970348 | +1 312-997-0348 Illinois U.S.A.
  • 3129970349 | +1 312-997-0349 Illinois U.S.A.
  • 3129970350 | +1 312-997-0350 Illinois U.S.A.
  • 3129970351 | +1 312-997-0351 Illinois U.S.A.
  • 3129970352 | +1 312-997-0352 Illinois U.S.A.
  • 3129970353 | +1 312-997-0353 Illinois U.S.A.
  • 3129970354 | +1 312-997-0354 Illinois U.S.A.
  • 3129970355 | +1 312-997-0355 Illinois U.S.A.
  • 3129970356 | +1 312-997-0356 Illinois U.S.A.
  • 3129970357 | +1 312-997-0357 Illinois U.S.A.
  • 3129970358 | +1 312-997-0358 Illinois U.S.A.
  • 3129970359 | +1 312-997-0359 Illinois U.S.A.
  • 3129970360 | +1 312-997-0360 Illinois U.S.A.
  • 3129970361 | +1 312-997-0361 Illinois U.S.A.
  • 3129970362 | +1 312-997-0362 Illinois U.S.A.
  • 3129970363 | +1 312-997-0363 Illinois U.S.A.
  • 3129970364 | +1 312-997-0364 Illinois U.S.A.
  • 3129970365 | +1 312-997-0365 Illinois U.S.A.
  • 3129970366 | +1 312-997-0366 Illinois U.S.A.
  • 3129970367 | +1 312-997-0367 Illinois U.S.A.
  • 3129970368 | +1 312-997-0368 Illinois U.S.A.
  • 3129970369 | +1 312-997-0369 Illinois U.S.A.
  • 3129970370 | +1 312-997-0370 Illinois U.S.A.
  • 3129970371 | +1 312-997-0371 Illinois U.S.A.
  • 3129970372 | +1 312-997-0372 Illinois U.S.A.
  • 3129970373 | +1 312-997-0373 Illinois U.S.A.
  • 3129970374 | +1 312-997-0374 Illinois U.S.A.
  • 3129970375 | +1 312-997-0375 Illinois U.S.A.
  • 3129970376 | +1 312-997-0376 Illinois U.S.A.
  • 3129970377 | +1 312-997-0377 Illinois U.S.A.
  • 3129970378 | +1 312-997-0378 Illinois U.S.A.
  • 3129970379 | +1 312-997-0379 Illinois U.S.A.
  • 3129970380 | +1 312-997-0380 Illinois U.S.A.
  • 3129970381 | +1 312-997-0381 Illinois U.S.A.
  • 3129970382 | +1 312-997-0382 Illinois U.S.A.
  • 3129970383 | +1 312-997-0383 Illinois U.S.A.
  • 3129970384 | +1 312-997-0384 Illinois U.S.A.
  • 3129970385 | +1 312-997-0385 Illinois U.S.A.
  • 3129970386 | +1 312-997-0386 Illinois U.S.A.
  • 3129970387 | +1 312-997-0387 Illinois U.S.A.
  • 3129970388 | +1 312-997-0388 Illinois U.S.A.
  • 3129970389 | +1 312-997-0389 Illinois U.S.A.
  • 3129970390 | +1 312-997-0390 Illinois U.S.A.
  • 3129970391 | +1 312-997-0391 Illinois U.S.A.
  • 3129970392 | +1 312-997-0392 Illinois U.S.A.
  • 3129970393 | +1 312-997-0393 Illinois U.S.A.
  • 3129970394 | +1 312-997-0394 Illinois U.S.A.
  • 3129970395 | +1 312-997-0395 Illinois U.S.A.
  • 3129970396 | +1 312-997-0396 Illinois U.S.A.
  • 3129970397 | +1 312-997-0397 Illinois U.S.A.
  • 3129970398 | +1 312-997-0398 Illinois U.S.A.
  • 3129970399 | +1 312-997-0399 Illinois U.S.A.