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).

  • 3128504300 | +1 312-850-4300 Illinois U.S.A.
  • 3128504301 | +1 312-850-4301 Illinois U.S.A.
  • 3128504302 | +1 312-850-4302 Illinois U.S.A.
  • 3128504303 | +1 312-850-4303 Illinois U.S.A.
  • 3128504304 | +1 312-850-4304 Illinois U.S.A.
  • 3128504305 | +1 312-850-4305 Illinois U.S.A.
  • 3128504306 | +1 312-850-4306 Illinois U.S.A.
  • 3128504307 | +1 312-850-4307 Illinois U.S.A.
  • 3128504308 | +1 312-850-4308 Illinois U.S.A.
  • 3128504309 | +1 312-850-4309 Illinois U.S.A.
  • 3128504310 | +1 312-850-4310 Illinois U.S.A.
  • 3128504311 | +1 312-850-4311 Illinois U.S.A.
  • 3128504312 | +1 312-850-4312 Illinois U.S.A.
  • 3128504313 | +1 312-850-4313 Illinois U.S.A.
  • 3128504314 | +1 312-850-4314 Illinois U.S.A.
  • 3128504315 | +1 312-850-4315 Illinois U.S.A.
  • 3128504316 | +1 312-850-4316 Illinois U.S.A.
  • 3128504317 | +1 312-850-4317 Illinois U.S.A.
  • 3128504318 | +1 312-850-4318 Illinois U.S.A.
  • 3128504319 | +1 312-850-4319 Illinois U.S.A.
  • 3128504320 | +1 312-850-4320 Illinois U.S.A.
  • 3128504321 | +1 312-850-4321 Illinois U.S.A.
  • 3128504322 | +1 312-850-4322 Illinois U.S.A.
  • 3128504323 | +1 312-850-4323 Illinois U.S.A.
  • 3128504324 | +1 312-850-4324 Illinois U.S.A.
  • 3128504325 | +1 312-850-4325 Illinois U.S.A.
  • 3128504326 | +1 312-850-4326 Illinois U.S.A.
  • 3128504327 | +1 312-850-4327 Illinois U.S.A.
  • 3128504328 | +1 312-850-4328 Illinois U.S.A.
  • 3128504329 | +1 312-850-4329 Illinois U.S.A.
  • 3128504330 | +1 312-850-4330 Illinois U.S.A.
  • 3128504331 | +1 312-850-4331 Illinois U.S.A.
  • 3128504332 | +1 312-850-4332 Illinois U.S.A.
  • 3128504333 | +1 312-850-4333 Illinois U.S.A.
  • 3128504334 | +1 312-850-4334 Illinois U.S.A.
  • 3128504335 | +1 312-850-4335 Illinois U.S.A.
  • 3128504336 | +1 312-850-4336 Illinois U.S.A.
  • 3128504337 | +1 312-850-4337 Illinois U.S.A.
  • 3128504338 | +1 312-850-4338 Illinois U.S.A.
  • 3128504339 | +1 312-850-4339 Illinois U.S.A.
  • 3128504340 | +1 312-850-4340 Illinois U.S.A.
  • 3128504341 | +1 312-850-4341 Illinois U.S.A.
  • 3128504342 | +1 312-850-4342 Illinois U.S.A.
  • 3128504343 | +1 312-850-4343 Illinois U.S.A.
  • 3128504344 | +1 312-850-4344 Illinois U.S.A.
  • 3128504345 | +1 312-850-4345 Illinois U.S.A.
  • 3128504346 | +1 312-850-4346 Illinois U.S.A.
  • 3128504347 | +1 312-850-4347 Illinois U.S.A.
  • 3128504348 | +1 312-850-4348 Illinois U.S.A.
  • 3128504349 | +1 312-850-4349 Illinois U.S.A.
  • 3128504350 | +1 312-850-4350 Illinois U.S.A.
  • 3128504351 | +1 312-850-4351 Illinois U.S.A.
  • 3128504352 | +1 312-850-4352 Illinois U.S.A.
  • 3128504353 | +1 312-850-4353 Illinois U.S.A.
  • 3128504354 | +1 312-850-4354 Illinois U.S.A.
  • 3128504355 | +1 312-850-4355 Illinois U.S.A.
  • 3128504356 | +1 312-850-4356 Illinois U.S.A.
  • 3128504357 | +1 312-850-4357 Illinois U.S.A.
  • 3128504358 | +1 312-850-4358 Illinois U.S.A.
  • 3128504359 | +1 312-850-4359 Illinois U.S.A.
  • 3128504360 | +1 312-850-4360 Illinois U.S.A.
  • 3128504361 | +1 312-850-4361 Illinois U.S.A.
  • 3128504362 | +1 312-850-4362 Illinois U.S.A.
  • 3128504363 | +1 312-850-4363 Illinois U.S.A.
  • 3128504364 | +1 312-850-4364 Illinois U.S.A.
  • 3128504365 | +1 312-850-4365 Illinois U.S.A.
  • 3128504366 | +1 312-850-4366 Illinois U.S.A.
  • 3128504367 | +1 312-850-4367 Illinois U.S.A.
  • 3128504368 | +1 312-850-4368 Illinois U.S.A.
  • 3128504369 | +1 312-850-4369 Illinois U.S.A.
  • 3128504370 | +1 312-850-4370 Illinois U.S.A.
  • 3128504371 | +1 312-850-4371 Illinois U.S.A.
  • 3128504372 | +1 312-850-4372 Illinois U.S.A.
  • 3128504373 | +1 312-850-4373 Illinois U.S.A.
  • 3128504374 | +1 312-850-4374 Illinois U.S.A.
  • 3128504375 | +1 312-850-4375 Illinois U.S.A.
  • 3128504376 | +1 312-850-4376 Illinois U.S.A.
  • 3128504377 | +1 312-850-4377 Illinois U.S.A.
  • 3128504378 | +1 312-850-4378 Illinois U.S.A.
  • 3128504379 | +1 312-850-4379 Illinois U.S.A.
  • 3128504380 | +1 312-850-4380 Illinois U.S.A.
  • 3128504381 | +1 312-850-4381 Illinois U.S.A.
  • 3128504382 | +1 312-850-4382 Illinois U.S.A.
  • 3128504383 | +1 312-850-4383 Illinois U.S.A.
  • 3128504384 | +1 312-850-4384 Illinois U.S.A.
  • 3128504385 | +1 312-850-4385 Illinois U.S.A.
  • 3128504386 | +1 312-850-4386 Illinois U.S.A.
  • 3128504387 | +1 312-850-4387 Illinois U.S.A.
  • 3128504388 | +1 312-850-4388 Illinois U.S.A.
  • 3128504389 | +1 312-850-4389 Illinois U.S.A.
  • 3128504390 | +1 312-850-4390 Illinois U.S.A.
  • 3128504391 | +1 312-850-4391 Illinois U.S.A.
  • 3128504392 | +1 312-850-4392 Illinois U.S.A.
  • 3128504393 | +1 312-850-4393 Illinois U.S.A.
  • 3128504394 | +1 312-850-4394 Illinois U.S.A.
  • 3128504395 | +1 312-850-4395 Illinois U.S.A.
  • 3128504396 | +1 312-850-4396 Illinois U.S.A.
  • 3128504397 | +1 312-850-4397 Illinois U.S.A.
  • 3128504398 | +1 312-850-4398 Illinois U.S.A.
  • 3128504399 | +1 312-850-4399 Illinois U.S.A.