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).

  • 3125039300 | +1 312-503-9300 Illinois U.S.A.
  • 3125039301 | +1 312-503-9301 Illinois U.S.A.
  • 3125039302 | +1 312-503-9302 Illinois U.S.A.
  • 3125039303 | +1 312-503-9303 Illinois U.S.A.
  • 3125039304 | +1 312-503-9304 Illinois U.S.A.
  • 3125039305 | +1 312-503-9305 Illinois U.S.A.
  • 3125039306 | +1 312-503-9306 Illinois U.S.A.
  • 3125039307 | +1 312-503-9307 Illinois U.S.A.
  • 3125039308 | +1 312-503-9308 Illinois U.S.A.
  • 3125039309 | +1 312-503-9309 Illinois U.S.A.
  • 3125039310 | +1 312-503-9310 Illinois U.S.A.
  • 3125039311 | +1 312-503-9311 Illinois U.S.A.
  • 3125039312 | +1 312-503-9312 Illinois U.S.A.
  • 3125039313 | +1 312-503-9313 Illinois U.S.A.
  • 3125039314 | +1 312-503-9314 Illinois U.S.A.
  • 3125039315 | +1 312-503-9315 Illinois U.S.A.
  • 3125039316 | +1 312-503-9316 Illinois U.S.A.
  • 3125039317 | +1 312-503-9317 Illinois U.S.A.
  • 3125039318 | +1 312-503-9318 Illinois U.S.A.
  • 3125039319 | +1 312-503-9319 Illinois U.S.A.
  • 3125039320 | +1 312-503-9320 Illinois U.S.A.
  • 3125039321 | +1 312-503-9321 Illinois U.S.A.
  • 3125039322 | +1 312-503-9322 Illinois U.S.A.
  • 3125039323 | +1 312-503-9323 Illinois U.S.A.
  • 3125039324 | +1 312-503-9324 Illinois U.S.A.
  • 3125039325 | +1 312-503-9325 Illinois U.S.A.
  • 3125039326 | +1 312-503-9326 Illinois U.S.A.
  • 3125039327 | +1 312-503-9327 Illinois U.S.A.
  • 3125039328 | +1 312-503-9328 Illinois U.S.A.
  • 3125039329 | +1 312-503-9329 Illinois U.S.A.
  • 3125039330 | +1 312-503-9330 Illinois U.S.A.
  • 3125039331 | +1 312-503-9331 Illinois U.S.A.
  • 3125039332 | +1 312-503-9332 Illinois U.S.A.
  • 3125039333 | +1 312-503-9333 Illinois U.S.A.
  • 3125039334 | +1 312-503-9334 Illinois U.S.A.
  • 3125039335 | +1 312-503-9335 Illinois U.S.A.
  • 3125039336 | +1 312-503-9336 Illinois U.S.A.
  • 3125039337 | +1 312-503-9337 Illinois U.S.A.
  • 3125039338 | +1 312-503-9338 Illinois U.S.A.
  • 3125039339 | +1 312-503-9339 Illinois U.S.A.
  • 3125039340 | +1 312-503-9340 Illinois U.S.A.
  • 3125039341 | +1 312-503-9341 Illinois U.S.A.
  • 3125039342 | +1 312-503-9342 Illinois U.S.A.
  • 3125039343 | +1 312-503-9343 Illinois U.S.A.
  • 3125039344 | +1 312-503-9344 Illinois U.S.A.
  • 3125039345 | +1 312-503-9345 Illinois U.S.A.
  • 3125039346 | +1 312-503-9346 Illinois U.S.A.
  • 3125039347 | +1 312-503-9347 Illinois U.S.A.
  • 3125039348 | +1 312-503-9348 Illinois U.S.A.
  • 3125039349 | +1 312-503-9349 Illinois U.S.A.
  • 3125039350 | +1 312-503-9350 Illinois U.S.A.
  • 3125039351 | +1 312-503-9351 Illinois U.S.A.
  • 3125039352 | +1 312-503-9352 Illinois U.S.A.
  • 3125039353 | +1 312-503-9353 Illinois U.S.A.
  • 3125039354 | +1 312-503-9354 Illinois U.S.A.
  • 3125039355 | +1 312-503-9355 Illinois U.S.A.
  • 3125039356 | +1 312-503-9356 Illinois U.S.A.
  • 3125039357 | +1 312-503-9357 Illinois U.S.A.
  • 3125039358 | +1 312-503-9358 Illinois U.S.A.
  • 3125039359 | +1 312-503-9359 Illinois U.S.A.
  • 3125039360 | +1 312-503-9360 Illinois U.S.A.
  • 3125039361 | +1 312-503-9361 Illinois U.S.A.
  • 3125039362 | +1 312-503-9362 Illinois U.S.A.
  • 3125039363 | +1 312-503-9363 Illinois U.S.A.
  • 3125039364 | +1 312-503-9364 Illinois U.S.A.
  • 3125039365 | +1 312-503-9365 Illinois U.S.A.
  • 3125039366 | +1 312-503-9366 Illinois U.S.A.
  • 3125039367 | +1 312-503-9367 Illinois U.S.A.
  • 3125039368 | +1 312-503-9368 Illinois U.S.A.
  • 3125039369 | +1 312-503-9369 Illinois U.S.A.
  • 3125039370 | +1 312-503-9370 Illinois U.S.A.
  • 3125039371 | +1 312-503-9371 Illinois U.S.A.
  • 3125039372 | +1 312-503-9372 Illinois U.S.A.
  • 3125039373 | +1 312-503-9373 Illinois U.S.A.
  • 3125039374 | +1 312-503-9374 Illinois U.S.A.
  • 3125039375 | +1 312-503-9375 Illinois U.S.A.
  • 3125039376 | +1 312-503-9376 Illinois U.S.A.
  • 3125039377 | +1 312-503-9377 Illinois U.S.A.
  • 3125039378 | +1 312-503-9378 Illinois U.S.A.
  • 3125039379 | +1 312-503-9379 Illinois U.S.A.
  • 3125039380 | +1 312-503-9380 Illinois U.S.A.
  • 3125039381 | +1 312-503-9381 Illinois U.S.A.
  • 3125039382 | +1 312-503-9382 Illinois U.S.A.
  • 3125039383 | +1 312-503-9383 Illinois U.S.A.
  • 3125039384 | +1 312-503-9384 Illinois U.S.A.
  • 3125039385 | +1 312-503-9385 Illinois U.S.A.
  • 3125039386 | +1 312-503-9386 Illinois U.S.A.
  • 3125039387 | +1 312-503-9387 Illinois U.S.A.
  • 3125039388 | +1 312-503-9388 Illinois U.S.A.
  • 3125039389 | +1 312-503-9389 Illinois U.S.A.
  • 3125039390 | +1 312-503-9390 Illinois U.S.A.
  • 3125039391 | +1 312-503-9391 Illinois U.S.A.
  • 3125039392 | +1 312-503-9392 Illinois U.S.A.
  • 3125039393 | +1 312-503-9393 Illinois U.S.A.
  • 3125039394 | +1 312-503-9394 Illinois U.S.A.
  • 3125039395 | +1 312-503-9395 Illinois U.S.A.
  • 3125039396 | +1 312-503-9396 Illinois U.S.A.
  • 3125039397 | +1 312-503-9397 Illinois U.S.A.
  • 3125039398 | +1 312-503-9398 Illinois U.S.A.
  • 3125039399 | +1 312-503-9399 Illinois U.S.A.