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).

  • 3129478300 | +1 312-947-8300 Illinois U.S.A.
  • 3129478301 | +1 312-947-8301 Illinois U.S.A.
  • 3129478302 | +1 312-947-8302 Illinois U.S.A.
  • 3129478303 | +1 312-947-8303 Illinois U.S.A.
  • 3129478304 | +1 312-947-8304 Illinois U.S.A.
  • 3129478305 | +1 312-947-8305 Illinois U.S.A.
  • 3129478306 | +1 312-947-8306 Illinois U.S.A.
  • 3129478307 | +1 312-947-8307 Illinois U.S.A.
  • 3129478308 | +1 312-947-8308 Illinois U.S.A.
  • 3129478309 | +1 312-947-8309 Illinois U.S.A.
  • 3129478310 | +1 312-947-8310 Illinois U.S.A.
  • 3129478311 | +1 312-947-8311 Illinois U.S.A.
  • 3129478312 | +1 312-947-8312 Illinois U.S.A.
  • 3129478313 | +1 312-947-8313 Illinois U.S.A.
  • 3129478314 | +1 312-947-8314 Illinois U.S.A.
  • 3129478315 | +1 312-947-8315 Illinois U.S.A.
  • 3129478316 | +1 312-947-8316 Illinois U.S.A.
  • 3129478317 | +1 312-947-8317 Illinois U.S.A.
  • 3129478318 | +1 312-947-8318 Illinois U.S.A.
  • 3129478319 | +1 312-947-8319 Illinois U.S.A.
  • 3129478320 | +1 312-947-8320 Illinois U.S.A.
  • 3129478321 | +1 312-947-8321 Illinois U.S.A.
  • 3129478322 | +1 312-947-8322 Illinois U.S.A.
  • 3129478323 | +1 312-947-8323 Illinois U.S.A.
  • 3129478324 | +1 312-947-8324 Illinois U.S.A.
  • 3129478325 | +1 312-947-8325 Illinois U.S.A.
  • 3129478326 | +1 312-947-8326 Illinois U.S.A.
  • 3129478327 | +1 312-947-8327 Illinois U.S.A.
  • 3129478328 | +1 312-947-8328 Illinois U.S.A.
  • 3129478329 | +1 312-947-8329 Illinois U.S.A.
  • 3129478330 | +1 312-947-8330 Illinois U.S.A.
  • 3129478331 | +1 312-947-8331 Illinois U.S.A.
  • 3129478332 | +1 312-947-8332 Illinois U.S.A.
  • 3129478333 | +1 312-947-8333 Illinois U.S.A.
  • 3129478334 | +1 312-947-8334 Illinois U.S.A.
  • 3129478335 | +1 312-947-8335 Illinois U.S.A.
  • 3129478336 | +1 312-947-8336 Illinois U.S.A.
  • 3129478337 | +1 312-947-8337 Illinois U.S.A.
  • 3129478338 | +1 312-947-8338 Illinois U.S.A.
  • 3129478339 | +1 312-947-8339 Illinois U.S.A.
  • 3129478340 | +1 312-947-8340 Illinois U.S.A.
  • 3129478341 | +1 312-947-8341 Illinois U.S.A.
  • 3129478342 | +1 312-947-8342 Illinois U.S.A.
  • 3129478343 | +1 312-947-8343 Illinois U.S.A.
  • 3129478344 | +1 312-947-8344 Illinois U.S.A.
  • 3129478345 | +1 312-947-8345 Illinois U.S.A.
  • 3129478346 | +1 312-947-8346 Illinois U.S.A.
  • 3129478347 | +1 312-947-8347 Illinois U.S.A.
  • 3129478348 | +1 312-947-8348 Illinois U.S.A.
  • 3129478349 | +1 312-947-8349 Illinois U.S.A.
  • 3129478350 | +1 312-947-8350 Illinois U.S.A.
  • 3129478351 | +1 312-947-8351 Illinois U.S.A.
  • 3129478352 | +1 312-947-8352 Illinois U.S.A.
  • 3129478353 | +1 312-947-8353 Illinois U.S.A.
  • 3129478354 | +1 312-947-8354 Illinois U.S.A.
  • 3129478355 | +1 312-947-8355 Illinois U.S.A.
  • 3129478356 | +1 312-947-8356 Illinois U.S.A.
  • 3129478357 | +1 312-947-8357 Illinois U.S.A.
  • 3129478358 | +1 312-947-8358 Illinois U.S.A.
  • 3129478359 | +1 312-947-8359 Illinois U.S.A.
  • 3129478360 | +1 312-947-8360 Illinois U.S.A.
  • 3129478361 | +1 312-947-8361 Illinois U.S.A.
  • 3129478362 | +1 312-947-8362 Illinois U.S.A.
  • 3129478363 | +1 312-947-8363 Illinois U.S.A.
  • 3129478364 | +1 312-947-8364 Illinois U.S.A.
  • 3129478365 | +1 312-947-8365 Illinois U.S.A.
  • 3129478366 | +1 312-947-8366 Illinois U.S.A.
  • 3129478367 | +1 312-947-8367 Illinois U.S.A.
  • 3129478368 | +1 312-947-8368 Illinois U.S.A.
  • 3129478369 | +1 312-947-8369 Illinois U.S.A.
  • 3129478370 | +1 312-947-8370 Illinois U.S.A.
  • 3129478371 | +1 312-947-8371 Illinois U.S.A.
  • 3129478372 | +1 312-947-8372 Illinois U.S.A.
  • 3129478373 | +1 312-947-8373 Illinois U.S.A.
  • 3129478374 | +1 312-947-8374 Illinois U.S.A.
  • 3129478375 | +1 312-947-8375 Illinois U.S.A.
  • 3129478376 | +1 312-947-8376 Illinois U.S.A.
  • 3129478377 | +1 312-947-8377 Illinois U.S.A.
  • 3129478378 | +1 312-947-8378 Illinois U.S.A.
  • 3129478379 | +1 312-947-8379 Illinois U.S.A.
  • 3129478380 | +1 312-947-8380 Illinois U.S.A.
  • 3129478381 | +1 312-947-8381 Illinois U.S.A.
  • 3129478382 | +1 312-947-8382 Illinois U.S.A.
  • 3129478383 | +1 312-947-8383 Illinois U.S.A.
  • 3129478384 | +1 312-947-8384 Illinois U.S.A.
  • 3129478385 | +1 312-947-8385 Illinois U.S.A.
  • 3129478386 | +1 312-947-8386 Illinois U.S.A.
  • 3129478387 | +1 312-947-8387 Illinois U.S.A.
  • 3129478388 | +1 312-947-8388 Illinois U.S.A.
  • 3129478389 | +1 312-947-8389 Illinois U.S.A.
  • 3129478390 | +1 312-947-8390 Illinois U.S.A.
  • 3129478391 | +1 312-947-8391 Illinois U.S.A.
  • 3129478392 | +1 312-947-8392 Illinois U.S.A.
  • 3129478393 | +1 312-947-8393 Illinois U.S.A.
  • 3129478394 | +1 312-947-8394 Illinois U.S.A.
  • 3129478395 | +1 312-947-8395 Illinois U.S.A.
  • 3129478396 | +1 312-947-8396 Illinois U.S.A.
  • 3129478397 | +1 312-947-8397 Illinois U.S.A.
  • 3129478398 | +1 312-947-8398 Illinois U.S.A.
  • 3129478399 | +1 312-947-8399 Illinois U.S.A.