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).

  • 3127556300 | +1 312-755-6300 Illinois U.S.A.
  • 3127556301 | +1 312-755-6301 Illinois U.S.A.
  • 3127556302 | +1 312-755-6302 Illinois U.S.A.
  • 3127556303 | +1 312-755-6303 Illinois U.S.A.
  • 3127556304 | +1 312-755-6304 Illinois U.S.A.
  • 3127556305 | +1 312-755-6305 Illinois U.S.A.
  • 3127556306 | +1 312-755-6306 Illinois U.S.A.
  • 3127556307 | +1 312-755-6307 Illinois U.S.A.
  • 3127556308 | +1 312-755-6308 Illinois U.S.A.
  • 3127556309 | +1 312-755-6309 Illinois U.S.A.
  • 3127556310 | +1 312-755-6310 Illinois U.S.A.
  • 3127556311 | +1 312-755-6311 Illinois U.S.A.
  • 3127556312 | +1 312-755-6312 Illinois U.S.A.
  • 3127556313 | +1 312-755-6313 Illinois U.S.A.
  • 3127556314 | +1 312-755-6314 Illinois U.S.A.
  • 3127556315 | +1 312-755-6315 Illinois U.S.A.
  • 3127556316 | +1 312-755-6316 Illinois U.S.A.
  • 3127556317 | +1 312-755-6317 Illinois U.S.A.
  • 3127556318 | +1 312-755-6318 Illinois U.S.A.
  • 3127556319 | +1 312-755-6319 Illinois U.S.A.
  • 3127556320 | +1 312-755-6320 Illinois U.S.A.
  • 3127556321 | +1 312-755-6321 Illinois U.S.A.
  • 3127556322 | +1 312-755-6322 Illinois U.S.A.
  • 3127556323 | +1 312-755-6323 Illinois U.S.A.
  • 3127556324 | +1 312-755-6324 Illinois U.S.A.
  • 3127556325 | +1 312-755-6325 Illinois U.S.A.
  • 3127556326 | +1 312-755-6326 Illinois U.S.A.
  • 3127556327 | +1 312-755-6327 Illinois U.S.A.
  • 3127556328 | +1 312-755-6328 Illinois U.S.A.
  • 3127556329 | +1 312-755-6329 Illinois U.S.A.
  • 3127556330 | +1 312-755-6330 Illinois U.S.A.
  • 3127556331 | +1 312-755-6331 Illinois U.S.A.
  • 3127556332 | +1 312-755-6332 Illinois U.S.A.
  • 3127556333 | +1 312-755-6333 Illinois U.S.A.
  • 3127556334 | +1 312-755-6334 Illinois U.S.A.
  • 3127556335 | +1 312-755-6335 Illinois U.S.A.
  • 3127556336 | +1 312-755-6336 Illinois U.S.A.
  • 3127556337 | +1 312-755-6337 Illinois U.S.A.
  • 3127556338 | +1 312-755-6338 Illinois U.S.A.
  • 3127556339 | +1 312-755-6339 Illinois U.S.A.
  • 3127556340 | +1 312-755-6340 Illinois U.S.A.
  • 3127556341 | +1 312-755-6341 Illinois U.S.A.
  • 3127556342 | +1 312-755-6342 Illinois U.S.A.
  • 3127556343 | +1 312-755-6343 Illinois U.S.A.
  • 3127556344 | +1 312-755-6344 Illinois U.S.A.
  • 3127556345 | +1 312-755-6345 Illinois U.S.A.
  • 3127556346 | +1 312-755-6346 Illinois U.S.A.
  • 3127556347 | +1 312-755-6347 Illinois U.S.A.
  • 3127556348 | +1 312-755-6348 Illinois U.S.A.
  • 3127556349 | +1 312-755-6349 Illinois U.S.A.
  • 3127556350 | +1 312-755-6350 Illinois U.S.A.
  • 3127556351 | +1 312-755-6351 Illinois U.S.A.
  • 3127556352 | +1 312-755-6352 Illinois U.S.A.
  • 3127556353 | +1 312-755-6353 Illinois U.S.A.
  • 3127556354 | +1 312-755-6354 Illinois U.S.A.
  • 3127556355 | +1 312-755-6355 Illinois U.S.A.
  • 3127556356 | +1 312-755-6356 Illinois U.S.A.
  • 3127556357 | +1 312-755-6357 Illinois U.S.A.
  • 3127556358 | +1 312-755-6358 Illinois U.S.A.
  • 3127556359 | +1 312-755-6359 Illinois U.S.A.
  • 3127556360 | +1 312-755-6360 Illinois U.S.A.
  • 3127556361 | +1 312-755-6361 Illinois U.S.A.
  • 3127556362 | +1 312-755-6362 Illinois U.S.A.
  • 3127556363 | +1 312-755-6363 Illinois U.S.A.
  • 3127556364 | +1 312-755-6364 Illinois U.S.A.
  • 3127556365 | +1 312-755-6365 Illinois U.S.A.
  • 3127556366 | +1 312-755-6366 Illinois U.S.A.
  • 3127556367 | +1 312-755-6367 Illinois U.S.A.
  • 3127556368 | +1 312-755-6368 Illinois U.S.A.
  • 3127556369 | +1 312-755-6369 Illinois U.S.A.
  • 3127556370 | +1 312-755-6370 Illinois U.S.A.
  • 3127556371 | +1 312-755-6371 Illinois U.S.A.
  • 3127556372 | +1 312-755-6372 Illinois U.S.A.
  • 3127556373 | +1 312-755-6373 Illinois U.S.A.
  • 3127556374 | +1 312-755-6374 Illinois U.S.A.
  • 3127556375 | +1 312-755-6375 Illinois U.S.A.
  • 3127556376 | +1 312-755-6376 Illinois U.S.A.
  • 3127556377 | +1 312-755-6377 Illinois U.S.A.
  • 3127556378 | +1 312-755-6378 Illinois U.S.A.
  • 3127556379 | +1 312-755-6379 Illinois U.S.A.
  • 3127556380 | +1 312-755-6380 Illinois U.S.A.
  • 3127556381 | +1 312-755-6381 Illinois U.S.A.
  • 3127556382 | +1 312-755-6382 Illinois U.S.A.
  • 3127556383 | +1 312-755-6383 Illinois U.S.A.
  • 3127556384 | +1 312-755-6384 Illinois U.S.A.
  • 3127556385 | +1 312-755-6385 Illinois U.S.A.
  • 3127556386 | +1 312-755-6386 Illinois U.S.A.
  • 3127556387 | +1 312-755-6387 Illinois U.S.A.
  • 3127556388 | +1 312-755-6388 Illinois U.S.A.
  • 3127556389 | +1 312-755-6389 Illinois U.S.A.
  • 3127556390 | +1 312-755-6390 Illinois U.S.A.
  • 3127556391 | +1 312-755-6391 Illinois U.S.A.
  • 3127556392 | +1 312-755-6392 Illinois U.S.A.
  • 3127556393 | +1 312-755-6393 Illinois U.S.A.
  • 3127556394 | +1 312-755-6394 Illinois U.S.A.
  • 3127556395 | +1 312-755-6395 Illinois U.S.A.
  • 3127556396 | +1 312-755-6396 Illinois U.S.A.
  • 3127556397 | +1 312-755-6397 Illinois U.S.A.
  • 3127556398 | +1 312-755-6398 Illinois U.S.A.
  • 3127556399 | +1 312-755-6399 Illinois U.S.A.