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).

  • 3125036300 | +1 312-503-6300 Illinois U.S.A.
  • 3125036301 | +1 312-503-6301 Illinois U.S.A.
  • 3125036302 | +1 312-503-6302 Illinois U.S.A.
  • 3125036303 | +1 312-503-6303 Illinois U.S.A.
  • 3125036304 | +1 312-503-6304 Illinois U.S.A.
  • 3125036305 | +1 312-503-6305 Illinois U.S.A.
  • 3125036306 | +1 312-503-6306 Illinois U.S.A.
  • 3125036307 | +1 312-503-6307 Illinois U.S.A.
  • 3125036308 | +1 312-503-6308 Illinois U.S.A.
  • 3125036309 | +1 312-503-6309 Illinois U.S.A.
  • 3125036310 | +1 312-503-6310 Illinois U.S.A.
  • 3125036311 | +1 312-503-6311 Illinois U.S.A.
  • 3125036312 | +1 312-503-6312 Illinois U.S.A.
  • 3125036313 | +1 312-503-6313 Illinois U.S.A.
  • 3125036314 | +1 312-503-6314 Illinois U.S.A.
  • 3125036315 | +1 312-503-6315 Illinois U.S.A.
  • 3125036316 | +1 312-503-6316 Illinois U.S.A.
  • 3125036317 | +1 312-503-6317 Illinois U.S.A.
  • 3125036318 | +1 312-503-6318 Illinois U.S.A.
  • 3125036319 | +1 312-503-6319 Illinois U.S.A.
  • 3125036320 | +1 312-503-6320 Illinois U.S.A.
  • 3125036321 | +1 312-503-6321 Illinois U.S.A.
  • 3125036322 | +1 312-503-6322 Illinois U.S.A.
  • 3125036323 | +1 312-503-6323 Illinois U.S.A.
  • 3125036324 | +1 312-503-6324 Illinois U.S.A.
  • 3125036325 | +1 312-503-6325 Illinois U.S.A.
  • 3125036326 | +1 312-503-6326 Illinois U.S.A.
  • 3125036327 | +1 312-503-6327 Illinois U.S.A.
  • 3125036328 | +1 312-503-6328 Illinois U.S.A.
  • 3125036329 | +1 312-503-6329 Illinois U.S.A.
  • 3125036330 | +1 312-503-6330 Illinois U.S.A.
  • 3125036331 | +1 312-503-6331 Illinois U.S.A.
  • 3125036332 | +1 312-503-6332 Illinois U.S.A.
  • 3125036333 | +1 312-503-6333 Illinois U.S.A.
  • 3125036334 | +1 312-503-6334 Illinois U.S.A.
  • 3125036335 | +1 312-503-6335 Illinois U.S.A.
  • 3125036336 | +1 312-503-6336 Illinois U.S.A.
  • 3125036337 | +1 312-503-6337 Illinois U.S.A.
  • 3125036338 | +1 312-503-6338 Illinois U.S.A.
  • 3125036339 | +1 312-503-6339 Illinois U.S.A.
  • 3125036340 | +1 312-503-6340 Illinois U.S.A.
  • 3125036341 | +1 312-503-6341 Illinois U.S.A.
  • 3125036342 | +1 312-503-6342 Illinois U.S.A.
  • 3125036343 | +1 312-503-6343 Illinois U.S.A.
  • 3125036344 | +1 312-503-6344 Illinois U.S.A.
  • 3125036345 | +1 312-503-6345 Illinois U.S.A.
  • 3125036346 | +1 312-503-6346 Illinois U.S.A.
  • 3125036347 | +1 312-503-6347 Illinois U.S.A.
  • 3125036348 | +1 312-503-6348 Illinois U.S.A.
  • 3125036349 | +1 312-503-6349 Illinois U.S.A.
  • 3125036350 | +1 312-503-6350 Illinois U.S.A.
  • 3125036351 | +1 312-503-6351 Illinois U.S.A.
  • 3125036352 | +1 312-503-6352 Illinois U.S.A.
  • 3125036353 | +1 312-503-6353 Illinois U.S.A.
  • 3125036354 | +1 312-503-6354 Illinois U.S.A.
  • 3125036355 | +1 312-503-6355 Illinois U.S.A.
  • 3125036356 | +1 312-503-6356 Illinois U.S.A.
  • 3125036357 | +1 312-503-6357 Illinois U.S.A.
  • 3125036358 | +1 312-503-6358 Illinois U.S.A.
  • 3125036359 | +1 312-503-6359 Illinois U.S.A.
  • 3125036360 | +1 312-503-6360 Illinois U.S.A.
  • 3125036361 | +1 312-503-6361 Illinois U.S.A.
  • 3125036362 | +1 312-503-6362 Illinois U.S.A.
  • 3125036363 | +1 312-503-6363 Illinois U.S.A.
  • 3125036364 | +1 312-503-6364 Illinois U.S.A.
  • 3125036365 | +1 312-503-6365 Illinois U.S.A.
  • 3125036366 | +1 312-503-6366 Illinois U.S.A.
  • 3125036367 | +1 312-503-6367 Illinois U.S.A.
  • 3125036368 | +1 312-503-6368 Illinois U.S.A.
  • 3125036369 | +1 312-503-6369 Illinois U.S.A.
  • 3125036370 | +1 312-503-6370 Illinois U.S.A.
  • 3125036371 | +1 312-503-6371 Illinois U.S.A.
  • 3125036372 | +1 312-503-6372 Illinois U.S.A.
  • 3125036373 | +1 312-503-6373 Illinois U.S.A.
  • 3125036374 | +1 312-503-6374 Illinois U.S.A.
  • 3125036375 | +1 312-503-6375 Illinois U.S.A.
  • 3125036376 | +1 312-503-6376 Illinois U.S.A.
  • 3125036377 | +1 312-503-6377 Illinois U.S.A.
  • 3125036378 | +1 312-503-6378 Illinois U.S.A.
  • 3125036379 | +1 312-503-6379 Illinois U.S.A.
  • 3125036380 | +1 312-503-6380 Illinois U.S.A.
  • 3125036381 | +1 312-503-6381 Illinois U.S.A.
  • 3125036382 | +1 312-503-6382 Illinois U.S.A.
  • 3125036383 | +1 312-503-6383 Illinois U.S.A.
  • 3125036384 | +1 312-503-6384 Illinois U.S.A.
  • 3125036385 | +1 312-503-6385 Illinois U.S.A.
  • 3125036386 | +1 312-503-6386 Illinois U.S.A.
  • 3125036387 | +1 312-503-6387 Illinois U.S.A.
  • 3125036388 | +1 312-503-6388 Illinois U.S.A.
  • 3125036389 | +1 312-503-6389 Illinois U.S.A.
  • 3125036390 | +1 312-503-6390 Illinois U.S.A.
  • 3125036391 | +1 312-503-6391 Illinois U.S.A.
  • 3125036392 | +1 312-503-6392 Illinois U.S.A.
  • 3125036393 | +1 312-503-6393 Illinois U.S.A.
  • 3125036394 | +1 312-503-6394 Illinois U.S.A.
  • 3125036395 | +1 312-503-6395 Illinois U.S.A.
  • 3125036396 | +1 312-503-6396 Illinois U.S.A.
  • 3125036397 | +1 312-503-6397 Illinois U.S.A.
  • 3125036398 | +1 312-503-6398 Illinois U.S.A.
  • 3125036399 | +1 312-503-6399 Illinois U.S.A.