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).

  • 3128506300 | +1 312-850-6300 Illinois U.S.A.
  • 3128506301 | +1 312-850-6301 Illinois U.S.A.
  • 3128506302 | +1 312-850-6302 Illinois U.S.A.
  • 3128506303 | +1 312-850-6303 Illinois U.S.A.
  • 3128506304 | +1 312-850-6304 Illinois U.S.A.
  • 3128506305 | +1 312-850-6305 Illinois U.S.A.
  • 3128506306 | +1 312-850-6306 Illinois U.S.A.
  • 3128506307 | +1 312-850-6307 Illinois U.S.A.
  • 3128506308 | +1 312-850-6308 Illinois U.S.A.
  • 3128506309 | +1 312-850-6309 Illinois U.S.A.
  • 3128506310 | +1 312-850-6310 Illinois U.S.A.
  • 3128506311 | +1 312-850-6311 Illinois U.S.A.
  • 3128506312 | +1 312-850-6312 Illinois U.S.A.
  • 3128506313 | +1 312-850-6313 Illinois U.S.A.
  • 3128506314 | +1 312-850-6314 Illinois U.S.A.
  • 3128506315 | +1 312-850-6315 Illinois U.S.A.
  • 3128506316 | +1 312-850-6316 Illinois U.S.A.
  • 3128506317 | +1 312-850-6317 Illinois U.S.A.
  • 3128506318 | +1 312-850-6318 Illinois U.S.A.
  • 3128506319 | +1 312-850-6319 Illinois U.S.A.
  • 3128506320 | +1 312-850-6320 Illinois U.S.A.
  • 3128506321 | +1 312-850-6321 Illinois U.S.A.
  • 3128506322 | +1 312-850-6322 Illinois U.S.A.
  • 3128506323 | +1 312-850-6323 Illinois U.S.A.
  • 3128506324 | +1 312-850-6324 Illinois U.S.A.
  • 3128506325 | +1 312-850-6325 Illinois U.S.A.
  • 3128506326 | +1 312-850-6326 Illinois U.S.A.
  • 3128506327 | +1 312-850-6327 Illinois U.S.A.
  • 3128506328 | +1 312-850-6328 Illinois U.S.A.
  • 3128506329 | +1 312-850-6329 Illinois U.S.A.
  • 3128506330 | +1 312-850-6330 Illinois U.S.A.
  • 3128506331 | +1 312-850-6331 Illinois U.S.A.
  • 3128506332 | +1 312-850-6332 Illinois U.S.A.
  • 3128506333 | +1 312-850-6333 Illinois U.S.A.
  • 3128506334 | +1 312-850-6334 Illinois U.S.A.
  • 3128506335 | +1 312-850-6335 Illinois U.S.A.
  • 3128506336 | +1 312-850-6336 Illinois U.S.A.
  • 3128506337 | +1 312-850-6337 Illinois U.S.A.
  • 3128506338 | +1 312-850-6338 Illinois U.S.A.
  • 3128506339 | +1 312-850-6339 Illinois U.S.A.
  • 3128506340 | +1 312-850-6340 Illinois U.S.A.
  • 3128506341 | +1 312-850-6341 Illinois U.S.A.
  • 3128506342 | +1 312-850-6342 Illinois U.S.A.
  • 3128506343 | +1 312-850-6343 Illinois U.S.A.
  • 3128506344 | +1 312-850-6344 Illinois U.S.A.
  • 3128506345 | +1 312-850-6345 Illinois U.S.A.
  • 3128506346 | +1 312-850-6346 Illinois U.S.A.
  • 3128506347 | +1 312-850-6347 Illinois U.S.A.
  • 3128506348 | +1 312-850-6348 Illinois U.S.A.
  • 3128506349 | +1 312-850-6349 Illinois U.S.A.
  • 3128506350 | +1 312-850-6350 Illinois U.S.A.
  • 3128506351 | +1 312-850-6351 Illinois U.S.A.
  • 3128506352 | +1 312-850-6352 Illinois U.S.A.
  • 3128506353 | +1 312-850-6353 Illinois U.S.A.
  • 3128506354 | +1 312-850-6354 Illinois U.S.A.
  • 3128506355 | +1 312-850-6355 Illinois U.S.A.
  • 3128506356 | +1 312-850-6356 Illinois U.S.A.
  • 3128506357 | +1 312-850-6357 Illinois U.S.A.
  • 3128506358 | +1 312-850-6358 Illinois U.S.A.
  • 3128506359 | +1 312-850-6359 Illinois U.S.A.
  • 3128506360 | +1 312-850-6360 Illinois U.S.A.
  • 3128506361 | +1 312-850-6361 Illinois U.S.A.
  • 3128506362 | +1 312-850-6362 Illinois U.S.A.
  • 3128506363 | +1 312-850-6363 Illinois U.S.A.
  • 3128506364 | +1 312-850-6364 Illinois U.S.A.
  • 3128506365 | +1 312-850-6365 Illinois U.S.A.
  • 3128506366 | +1 312-850-6366 Illinois U.S.A.
  • 3128506367 | +1 312-850-6367 Illinois U.S.A.
  • 3128506368 | +1 312-850-6368 Illinois U.S.A.
  • 3128506369 | +1 312-850-6369 Illinois U.S.A.
  • 3128506370 | +1 312-850-6370 Illinois U.S.A.
  • 3128506371 | +1 312-850-6371 Illinois U.S.A.
  • 3128506372 | +1 312-850-6372 Illinois U.S.A.
  • 3128506373 | +1 312-850-6373 Illinois U.S.A.
  • 3128506374 | +1 312-850-6374 Illinois U.S.A.
  • 3128506375 | +1 312-850-6375 Illinois U.S.A.
  • 3128506376 | +1 312-850-6376 Illinois U.S.A.
  • 3128506377 | +1 312-850-6377 Illinois U.S.A.
  • 3128506378 | +1 312-850-6378 Illinois U.S.A.
  • 3128506379 | +1 312-850-6379 Illinois U.S.A.
  • 3128506380 | +1 312-850-6380 Illinois U.S.A.
  • 3128506381 | +1 312-850-6381 Illinois U.S.A.
  • 3128506382 | +1 312-850-6382 Illinois U.S.A.
  • 3128506383 | +1 312-850-6383 Illinois U.S.A.
  • 3128506384 | +1 312-850-6384 Illinois U.S.A.
  • 3128506385 | +1 312-850-6385 Illinois U.S.A.
  • 3128506386 | +1 312-850-6386 Illinois U.S.A.
  • 3128506387 | +1 312-850-6387 Illinois U.S.A.
  • 3128506388 | +1 312-850-6388 Illinois U.S.A.
  • 3128506389 | +1 312-850-6389 Illinois U.S.A.
  • 3128506390 | +1 312-850-6390 Illinois U.S.A.
  • 3128506391 | +1 312-850-6391 Illinois U.S.A.
  • 3128506392 | +1 312-850-6392 Illinois U.S.A.
  • 3128506393 | +1 312-850-6393 Illinois U.S.A.
  • 3128506394 | +1 312-850-6394 Illinois U.S.A.
  • 3128506395 | +1 312-850-6395 Illinois U.S.A.
  • 3128506396 | +1 312-850-6396 Illinois U.S.A.
  • 3128506397 | +1 312-850-6397 Illinois U.S.A.
  • 3128506398 | +1 312-850-6398 Illinois U.S.A.
  • 3128506399 | +1 312-850-6399 Illinois U.S.A.