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).

  • 3128507300 | +1 312-850-7300 Illinois U.S.A.
  • 3128507301 | +1 312-850-7301 Illinois U.S.A.
  • 3128507302 | +1 312-850-7302 Illinois U.S.A.
  • 3128507303 | +1 312-850-7303 Illinois U.S.A.
  • 3128507304 | +1 312-850-7304 Illinois U.S.A.
  • 3128507305 | +1 312-850-7305 Illinois U.S.A.
  • 3128507306 | +1 312-850-7306 Illinois U.S.A.
  • 3128507307 | +1 312-850-7307 Illinois U.S.A.
  • 3128507308 | +1 312-850-7308 Illinois U.S.A.
  • 3128507309 | +1 312-850-7309 Illinois U.S.A.
  • 3128507310 | +1 312-850-7310 Illinois U.S.A.
  • 3128507311 | +1 312-850-7311 Illinois U.S.A.
  • 3128507312 | +1 312-850-7312 Illinois U.S.A.
  • 3128507313 | +1 312-850-7313 Illinois U.S.A.
  • 3128507314 | +1 312-850-7314 Illinois U.S.A.
  • 3128507315 | +1 312-850-7315 Illinois U.S.A.
  • 3128507316 | +1 312-850-7316 Illinois U.S.A.
  • 3128507317 | +1 312-850-7317 Illinois U.S.A.
  • 3128507318 | +1 312-850-7318 Illinois U.S.A.
  • 3128507319 | +1 312-850-7319 Illinois U.S.A.
  • 3128507320 | +1 312-850-7320 Illinois U.S.A.
  • 3128507321 | +1 312-850-7321 Illinois U.S.A.
  • 3128507322 | +1 312-850-7322 Illinois U.S.A.
  • 3128507323 | +1 312-850-7323 Illinois U.S.A.
  • 3128507324 | +1 312-850-7324 Illinois U.S.A.
  • 3128507325 | +1 312-850-7325 Illinois U.S.A.
  • 3128507326 | +1 312-850-7326 Illinois U.S.A.
  • 3128507327 | +1 312-850-7327 Illinois U.S.A.
  • 3128507328 | +1 312-850-7328 Illinois U.S.A.
  • 3128507329 | +1 312-850-7329 Illinois U.S.A.
  • 3128507330 | +1 312-850-7330 Illinois U.S.A.
  • 3128507331 | +1 312-850-7331 Illinois U.S.A.
  • 3128507332 | +1 312-850-7332 Illinois U.S.A.
  • 3128507333 | +1 312-850-7333 Illinois U.S.A.
  • 3128507334 | +1 312-850-7334 Illinois U.S.A.
  • 3128507335 | +1 312-850-7335 Illinois U.S.A.
  • 3128507336 | +1 312-850-7336 Illinois U.S.A.
  • 3128507337 | +1 312-850-7337 Illinois U.S.A.
  • 3128507338 | +1 312-850-7338 Illinois U.S.A.
  • 3128507339 | +1 312-850-7339 Illinois U.S.A.
  • 3128507340 | +1 312-850-7340 Illinois U.S.A.
  • 3128507341 | +1 312-850-7341 Illinois U.S.A.
  • 3128507342 | +1 312-850-7342 Illinois U.S.A.
  • 3128507343 | +1 312-850-7343 Illinois U.S.A.
  • 3128507344 | +1 312-850-7344 Illinois U.S.A.
  • 3128507345 | +1 312-850-7345 Illinois U.S.A.
  • 3128507346 | +1 312-850-7346 Illinois U.S.A.
  • 3128507347 | +1 312-850-7347 Illinois U.S.A.
  • 3128507348 | +1 312-850-7348 Illinois U.S.A.
  • 3128507349 | +1 312-850-7349 Illinois U.S.A.
  • 3128507350 | +1 312-850-7350 Illinois U.S.A.
  • 3128507351 | +1 312-850-7351 Illinois U.S.A.
  • 3128507352 | +1 312-850-7352 Illinois U.S.A.
  • 3128507353 | +1 312-850-7353 Illinois U.S.A.
  • 3128507354 | +1 312-850-7354 Illinois U.S.A.
  • 3128507355 | +1 312-850-7355 Illinois U.S.A.
  • 3128507356 | +1 312-850-7356 Illinois U.S.A.
  • 3128507357 | +1 312-850-7357 Illinois U.S.A.
  • 3128507358 | +1 312-850-7358 Illinois U.S.A.
  • 3128507359 | +1 312-850-7359 Illinois U.S.A.
  • 3128507360 | +1 312-850-7360 Illinois U.S.A.
  • 3128507361 | +1 312-850-7361 Illinois U.S.A.
  • 3128507362 | +1 312-850-7362 Illinois U.S.A.
  • 3128507363 | +1 312-850-7363 Illinois U.S.A.
  • 3128507364 | +1 312-850-7364 Illinois U.S.A.
  • 3128507365 | +1 312-850-7365 Illinois U.S.A.
  • 3128507366 | +1 312-850-7366 Illinois U.S.A.
  • 3128507367 | +1 312-850-7367 Illinois U.S.A.
  • 3128507368 | +1 312-850-7368 Illinois U.S.A.
  • 3128507369 | +1 312-850-7369 Illinois U.S.A.
  • 3128507370 | +1 312-850-7370 Illinois U.S.A.
  • 3128507371 | +1 312-850-7371 Illinois U.S.A.
  • 3128507372 | +1 312-850-7372 Illinois U.S.A.
  • 3128507373 | +1 312-850-7373 Illinois U.S.A.
  • 3128507374 | +1 312-850-7374 Illinois U.S.A.
  • 3128507375 | +1 312-850-7375 Illinois U.S.A.
  • 3128507376 | +1 312-850-7376 Illinois U.S.A.
  • 3128507377 | +1 312-850-7377 Illinois U.S.A.
  • 3128507378 | +1 312-850-7378 Illinois U.S.A.
  • 3128507379 | +1 312-850-7379 Illinois U.S.A.
  • 3128507380 | +1 312-850-7380 Illinois U.S.A.
  • 3128507381 | +1 312-850-7381 Illinois U.S.A.
  • 3128507382 | +1 312-850-7382 Illinois U.S.A.
  • 3128507383 | +1 312-850-7383 Illinois U.S.A.
  • 3128507384 | +1 312-850-7384 Illinois U.S.A.
  • 3128507385 | +1 312-850-7385 Illinois U.S.A.
  • 3128507386 | +1 312-850-7386 Illinois U.S.A.
  • 3128507387 | +1 312-850-7387 Illinois U.S.A.
  • 3128507388 | +1 312-850-7388 Illinois U.S.A.
  • 3128507389 | +1 312-850-7389 Illinois U.S.A.
  • 3128507390 | +1 312-850-7390 Illinois U.S.A.
  • 3128507391 | +1 312-850-7391 Illinois U.S.A.
  • 3128507392 | +1 312-850-7392 Illinois U.S.A.
  • 3128507393 | +1 312-850-7393 Illinois U.S.A.
  • 3128507394 | +1 312-850-7394 Illinois U.S.A.
  • 3128507395 | +1 312-850-7395 Illinois U.S.A.
  • 3128507396 | +1 312-850-7396 Illinois U.S.A.
  • 3128507397 | +1 312-850-7397 Illinois U.S.A.
  • 3128507398 | +1 312-850-7398 Illinois U.S.A.
  • 3128507399 | +1 312-850-7399 Illinois U.S.A.