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).

  • 3129887300 | +1 312-988-7300 Illinois U.S.A.
  • 3129887301 | +1 312-988-7301 Illinois U.S.A.
  • 3129887302 | +1 312-988-7302 Illinois U.S.A.
  • 3129887303 | +1 312-988-7303 Illinois U.S.A.
  • 3129887304 | +1 312-988-7304 Illinois U.S.A.
  • 3129887305 | +1 312-988-7305 Illinois U.S.A.
  • 3129887306 | +1 312-988-7306 Illinois U.S.A.
  • 3129887307 | +1 312-988-7307 Illinois U.S.A.
  • 3129887308 | +1 312-988-7308 Illinois U.S.A.
  • 3129887309 | +1 312-988-7309 Illinois U.S.A.
  • 3129887310 | +1 312-988-7310 Illinois U.S.A.
  • 3129887311 | +1 312-988-7311 Illinois U.S.A.
  • 3129887312 | +1 312-988-7312 Illinois U.S.A.
  • 3129887313 | +1 312-988-7313 Illinois U.S.A.
  • 3129887314 | +1 312-988-7314 Illinois U.S.A.
  • 3129887315 | +1 312-988-7315 Illinois U.S.A.
  • 3129887316 | +1 312-988-7316 Illinois U.S.A.
  • 3129887317 | +1 312-988-7317 Illinois U.S.A.
  • 3129887318 | +1 312-988-7318 Illinois U.S.A.
  • 3129887319 | +1 312-988-7319 Illinois U.S.A.
  • 3129887320 | +1 312-988-7320 Illinois U.S.A.
  • 3129887321 | +1 312-988-7321 Illinois U.S.A.
  • 3129887322 | +1 312-988-7322 Illinois U.S.A.
  • 3129887323 | +1 312-988-7323 Illinois U.S.A.
  • 3129887324 | +1 312-988-7324 Illinois U.S.A.
  • 3129887325 | +1 312-988-7325 Illinois U.S.A.
  • 3129887326 | +1 312-988-7326 Illinois U.S.A.
  • 3129887327 | +1 312-988-7327 Illinois U.S.A.
  • 3129887328 | +1 312-988-7328 Illinois U.S.A.
  • 3129887329 | +1 312-988-7329 Illinois U.S.A.
  • 3129887330 | +1 312-988-7330 Illinois U.S.A.
  • 3129887331 | +1 312-988-7331 Illinois U.S.A.
  • 3129887332 | +1 312-988-7332 Illinois U.S.A.
  • 3129887333 | +1 312-988-7333 Illinois U.S.A.
  • 3129887334 | +1 312-988-7334 Illinois U.S.A.
  • 3129887335 | +1 312-988-7335 Illinois U.S.A.
  • 3129887336 | +1 312-988-7336 Illinois U.S.A.
  • 3129887337 | +1 312-988-7337 Illinois U.S.A.
  • 3129887338 | +1 312-988-7338 Illinois U.S.A.
  • 3129887339 | +1 312-988-7339 Illinois U.S.A.
  • 3129887340 | +1 312-988-7340 Illinois U.S.A.
  • 3129887341 | +1 312-988-7341 Illinois U.S.A.
  • 3129887342 | +1 312-988-7342 Illinois U.S.A.
  • 3129887343 | +1 312-988-7343 Illinois U.S.A.
  • 3129887344 | +1 312-988-7344 Illinois U.S.A.
  • 3129887345 | +1 312-988-7345 Illinois U.S.A.
  • 3129887346 | +1 312-988-7346 Illinois U.S.A.
  • 3129887347 | +1 312-988-7347 Illinois U.S.A.
  • 3129887348 | +1 312-988-7348 Illinois U.S.A.
  • 3129887349 | +1 312-988-7349 Illinois U.S.A.
  • 3129887350 | +1 312-988-7350 Illinois U.S.A.
  • 3129887351 | +1 312-988-7351 Illinois U.S.A.
  • 3129887352 | +1 312-988-7352 Illinois U.S.A.
  • 3129887353 | +1 312-988-7353 Illinois U.S.A.
  • 3129887354 | +1 312-988-7354 Illinois U.S.A.
  • 3129887355 | +1 312-988-7355 Illinois U.S.A.
  • 3129887356 | +1 312-988-7356 Illinois U.S.A.
  • 3129887357 | +1 312-988-7357 Illinois U.S.A.
  • 3129887358 | +1 312-988-7358 Illinois U.S.A.
  • 3129887359 | +1 312-988-7359 Illinois U.S.A.
  • 3129887360 | +1 312-988-7360 Illinois U.S.A.
  • 3129887361 | +1 312-988-7361 Illinois U.S.A.
  • 3129887362 | +1 312-988-7362 Illinois U.S.A.
  • 3129887363 | +1 312-988-7363 Illinois U.S.A.
  • 3129887364 | +1 312-988-7364 Illinois U.S.A.
  • 3129887365 | +1 312-988-7365 Illinois U.S.A.
  • 3129887366 | +1 312-988-7366 Illinois U.S.A.
  • 3129887367 | +1 312-988-7367 Illinois U.S.A.
  • 3129887368 | +1 312-988-7368 Illinois U.S.A.
  • 3129887369 | +1 312-988-7369 Illinois U.S.A.
  • 3129887370 | +1 312-988-7370 Illinois U.S.A.
  • 3129887371 | +1 312-988-7371 Illinois U.S.A.
  • 3129887372 | +1 312-988-7372 Illinois U.S.A.
  • 3129887373 | +1 312-988-7373 Illinois U.S.A.
  • 3129887374 | +1 312-988-7374 Illinois U.S.A.
  • 3129887375 | +1 312-988-7375 Illinois U.S.A.
  • 3129887376 | +1 312-988-7376 Illinois U.S.A.
  • 3129887377 | +1 312-988-7377 Illinois U.S.A.
  • 3129887378 | +1 312-988-7378 Illinois U.S.A.
  • 3129887379 | +1 312-988-7379 Illinois U.S.A.
  • 3129887380 | +1 312-988-7380 Illinois U.S.A.
  • 3129887381 | +1 312-988-7381 Illinois U.S.A.
  • 3129887382 | +1 312-988-7382 Illinois U.S.A.
  • 3129887383 | +1 312-988-7383 Illinois U.S.A.
  • 3129887384 | +1 312-988-7384 Illinois U.S.A.
  • 3129887385 | +1 312-988-7385 Illinois U.S.A.
  • 3129887386 | +1 312-988-7386 Illinois U.S.A.
  • 3129887387 | +1 312-988-7387 Illinois U.S.A.
  • 3129887388 | +1 312-988-7388 Illinois U.S.A.
  • 3129887389 | +1 312-988-7389 Illinois U.S.A.
  • 3129887390 | +1 312-988-7390 Illinois U.S.A.
  • 3129887391 | +1 312-988-7391 Illinois U.S.A.
  • 3129887392 | +1 312-988-7392 Illinois U.S.A.
  • 3129887393 | +1 312-988-7393 Illinois U.S.A.
  • 3129887394 | +1 312-988-7394 Illinois U.S.A.
  • 3129887395 | +1 312-988-7395 Illinois U.S.A.
  • 3129887396 | +1 312-988-7396 Illinois U.S.A.
  • 3129887397 | +1 312-988-7397 Illinois U.S.A.
  • 3129887398 | +1 312-988-7398 Illinois U.S.A.
  • 3129887399 | +1 312-988-7399 Illinois U.S.A.