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).

  • 3124544300 | +1 312-454-4300 Illinois U.S.A.
  • 3124544301 | +1 312-454-4301 Illinois U.S.A.
  • 3124544302 | +1 312-454-4302 Illinois U.S.A.
  • 3124544303 | +1 312-454-4303 Illinois U.S.A.
  • 3124544304 | +1 312-454-4304 Illinois U.S.A.
  • 3124544305 | +1 312-454-4305 Illinois U.S.A.
  • 3124544306 | +1 312-454-4306 Illinois U.S.A.
  • 3124544307 | +1 312-454-4307 Illinois U.S.A.
  • 3124544308 | +1 312-454-4308 Illinois U.S.A.
  • 3124544309 | +1 312-454-4309 Illinois U.S.A.
  • 3124544310 | +1 312-454-4310 Illinois U.S.A.
  • 3124544311 | +1 312-454-4311 Illinois U.S.A.
  • 3124544312 | +1 312-454-4312 Illinois U.S.A.
  • 3124544313 | +1 312-454-4313 Illinois U.S.A.
  • 3124544314 | +1 312-454-4314 Illinois U.S.A.
  • 3124544315 | +1 312-454-4315 Illinois U.S.A.
  • 3124544316 | +1 312-454-4316 Illinois U.S.A.
  • 3124544317 | +1 312-454-4317 Illinois U.S.A.
  • 3124544318 | +1 312-454-4318 Illinois U.S.A.
  • 3124544319 | +1 312-454-4319 Illinois U.S.A.
  • 3124544320 | +1 312-454-4320 Illinois U.S.A.
  • 3124544321 | +1 312-454-4321 Illinois U.S.A.
  • 3124544322 | +1 312-454-4322 Illinois U.S.A.
  • 3124544323 | +1 312-454-4323 Illinois U.S.A.
  • 3124544324 | +1 312-454-4324 Illinois U.S.A.
  • 3124544325 | +1 312-454-4325 Illinois U.S.A.
  • 3124544326 | +1 312-454-4326 Illinois U.S.A.
  • 3124544327 | +1 312-454-4327 Illinois U.S.A.
  • 3124544328 | +1 312-454-4328 Illinois U.S.A.
  • 3124544329 | +1 312-454-4329 Illinois U.S.A.
  • 3124544330 | +1 312-454-4330 Illinois U.S.A.
  • 3124544331 | +1 312-454-4331 Illinois U.S.A.
  • 3124544332 | +1 312-454-4332 Illinois U.S.A.
  • 3124544333 | +1 312-454-4333 Illinois U.S.A.
  • 3124544334 | +1 312-454-4334 Illinois U.S.A.
  • 3124544335 | +1 312-454-4335 Illinois U.S.A.
  • 3124544336 | +1 312-454-4336 Illinois U.S.A.
  • 3124544337 | +1 312-454-4337 Illinois U.S.A.
  • 3124544338 | +1 312-454-4338 Illinois U.S.A.
  • 3124544339 | +1 312-454-4339 Illinois U.S.A.
  • 3124544340 | +1 312-454-4340 Illinois U.S.A.
  • 3124544341 | +1 312-454-4341 Illinois U.S.A.
  • 3124544342 | +1 312-454-4342 Illinois U.S.A.
  • 3124544343 | +1 312-454-4343 Illinois U.S.A.
  • 3124544344 | +1 312-454-4344 Illinois U.S.A.
  • 3124544345 | +1 312-454-4345 Illinois U.S.A.
  • 3124544346 | +1 312-454-4346 Illinois U.S.A.
  • 3124544347 | +1 312-454-4347 Illinois U.S.A.
  • 3124544348 | +1 312-454-4348 Illinois U.S.A.
  • 3124544349 | +1 312-454-4349 Illinois U.S.A.
  • 3124544350 | +1 312-454-4350 Illinois U.S.A.
  • 3124544351 | +1 312-454-4351 Illinois U.S.A.
  • 3124544352 | +1 312-454-4352 Illinois U.S.A.
  • 3124544353 | +1 312-454-4353 Illinois U.S.A.
  • 3124544354 | +1 312-454-4354 Illinois U.S.A.
  • 3124544355 | +1 312-454-4355 Illinois U.S.A.
  • 3124544356 | +1 312-454-4356 Illinois U.S.A.
  • 3124544357 | +1 312-454-4357 Illinois U.S.A.
  • 3124544358 | +1 312-454-4358 Illinois U.S.A.
  • 3124544359 | +1 312-454-4359 Illinois U.S.A.
  • 3124544360 | +1 312-454-4360 Illinois U.S.A.
  • 3124544361 | +1 312-454-4361 Illinois U.S.A.
  • 3124544362 | +1 312-454-4362 Illinois U.S.A.
  • 3124544363 | +1 312-454-4363 Illinois U.S.A.
  • 3124544364 | +1 312-454-4364 Illinois U.S.A.
  • 3124544365 | +1 312-454-4365 Illinois U.S.A.
  • 3124544366 | +1 312-454-4366 Illinois U.S.A.
  • 3124544367 | +1 312-454-4367 Illinois U.S.A.
  • 3124544368 | +1 312-454-4368 Illinois U.S.A.
  • 3124544369 | +1 312-454-4369 Illinois U.S.A.
  • 3124544370 | +1 312-454-4370 Illinois U.S.A.
  • 3124544371 | +1 312-454-4371 Illinois U.S.A.
  • 3124544372 | +1 312-454-4372 Illinois U.S.A.
  • 3124544373 | +1 312-454-4373 Illinois U.S.A.
  • 3124544374 | +1 312-454-4374 Illinois U.S.A.
  • 3124544375 | +1 312-454-4375 Illinois U.S.A.
  • 3124544376 | +1 312-454-4376 Illinois U.S.A.
  • 3124544377 | +1 312-454-4377 Illinois U.S.A.
  • 3124544378 | +1 312-454-4378 Illinois U.S.A.
  • 3124544379 | +1 312-454-4379 Illinois U.S.A.
  • 3124544380 | +1 312-454-4380 Illinois U.S.A.
  • 3124544381 | +1 312-454-4381 Illinois U.S.A.
  • 3124544382 | +1 312-454-4382 Illinois U.S.A.
  • 3124544383 | +1 312-454-4383 Illinois U.S.A.
  • 3124544384 | +1 312-454-4384 Illinois U.S.A.
  • 3124544385 | +1 312-454-4385 Illinois U.S.A.
  • 3124544386 | +1 312-454-4386 Illinois U.S.A.
  • 3124544387 | +1 312-454-4387 Illinois U.S.A.
  • 3124544388 | +1 312-454-4388 Illinois U.S.A.
  • 3124544389 | +1 312-454-4389 Illinois U.S.A.
  • 3124544390 | +1 312-454-4390 Illinois U.S.A.
  • 3124544391 | +1 312-454-4391 Illinois U.S.A.
  • 3124544392 | +1 312-454-4392 Illinois U.S.A.
  • 3124544393 | +1 312-454-4393 Illinois U.S.A.
  • 3124544394 | +1 312-454-4394 Illinois U.S.A.
  • 3124544395 | +1 312-454-4395 Illinois U.S.A.
  • 3124544396 | +1 312-454-4396 Illinois U.S.A.
  • 3124544397 | +1 312-454-4397 Illinois U.S.A.
  • 3124544398 | +1 312-454-4398 Illinois U.S.A.
  • 3124544399 | +1 312-454-4399 Illinois U.S.A.