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).

  • 3127557300 | +1 312-755-7300 Illinois U.S.A.
  • 3127557301 | +1 312-755-7301 Illinois U.S.A.
  • 3127557302 | +1 312-755-7302 Illinois U.S.A.
  • 3127557303 | +1 312-755-7303 Illinois U.S.A.
  • 3127557304 | +1 312-755-7304 Illinois U.S.A.
  • 3127557305 | +1 312-755-7305 Illinois U.S.A.
  • 3127557306 | +1 312-755-7306 Illinois U.S.A.
  • 3127557307 | +1 312-755-7307 Illinois U.S.A.
  • 3127557308 | +1 312-755-7308 Illinois U.S.A.
  • 3127557309 | +1 312-755-7309 Illinois U.S.A.
  • 3127557310 | +1 312-755-7310 Illinois U.S.A.
  • 3127557311 | +1 312-755-7311 Illinois U.S.A.
  • 3127557312 | +1 312-755-7312 Illinois U.S.A.
  • 3127557313 | +1 312-755-7313 Illinois U.S.A.
  • 3127557314 | +1 312-755-7314 Illinois U.S.A.
  • 3127557315 | +1 312-755-7315 Illinois U.S.A.
  • 3127557316 | +1 312-755-7316 Illinois U.S.A.
  • 3127557317 | +1 312-755-7317 Illinois U.S.A.
  • 3127557318 | +1 312-755-7318 Illinois U.S.A.
  • 3127557319 | +1 312-755-7319 Illinois U.S.A.
  • 3127557320 | +1 312-755-7320 Illinois U.S.A.
  • 3127557321 | +1 312-755-7321 Illinois U.S.A.
  • 3127557322 | +1 312-755-7322 Illinois U.S.A.
  • 3127557323 | +1 312-755-7323 Illinois U.S.A.
  • 3127557324 | +1 312-755-7324 Illinois U.S.A.
  • 3127557325 | +1 312-755-7325 Illinois U.S.A.
  • 3127557326 | +1 312-755-7326 Illinois U.S.A.
  • 3127557327 | +1 312-755-7327 Illinois U.S.A.
  • 3127557328 | +1 312-755-7328 Illinois U.S.A.
  • 3127557329 | +1 312-755-7329 Illinois U.S.A.
  • 3127557330 | +1 312-755-7330 Illinois U.S.A.
  • 3127557331 | +1 312-755-7331 Illinois U.S.A.
  • 3127557332 | +1 312-755-7332 Illinois U.S.A.
  • 3127557333 | +1 312-755-7333 Illinois U.S.A.
  • 3127557334 | +1 312-755-7334 Illinois U.S.A.
  • 3127557335 | +1 312-755-7335 Illinois U.S.A.
  • 3127557336 | +1 312-755-7336 Illinois U.S.A.
  • 3127557337 | +1 312-755-7337 Illinois U.S.A.
  • 3127557338 | +1 312-755-7338 Illinois U.S.A.
  • 3127557339 | +1 312-755-7339 Illinois U.S.A.
  • 3127557340 | +1 312-755-7340 Illinois U.S.A.
  • 3127557341 | +1 312-755-7341 Illinois U.S.A.
  • 3127557342 | +1 312-755-7342 Illinois U.S.A.
  • 3127557343 | +1 312-755-7343 Illinois U.S.A.
  • 3127557344 | +1 312-755-7344 Illinois U.S.A.
  • 3127557345 | +1 312-755-7345 Illinois U.S.A.
  • 3127557346 | +1 312-755-7346 Illinois U.S.A.
  • 3127557347 | +1 312-755-7347 Illinois U.S.A.
  • 3127557348 | +1 312-755-7348 Illinois U.S.A.
  • 3127557349 | +1 312-755-7349 Illinois U.S.A.
  • 3127557350 | +1 312-755-7350 Illinois U.S.A.
  • 3127557351 | +1 312-755-7351 Illinois U.S.A.
  • 3127557352 | +1 312-755-7352 Illinois U.S.A.
  • 3127557353 | +1 312-755-7353 Illinois U.S.A.
  • 3127557354 | +1 312-755-7354 Illinois U.S.A.
  • 3127557355 | +1 312-755-7355 Illinois U.S.A.
  • 3127557356 | +1 312-755-7356 Illinois U.S.A.
  • 3127557357 | +1 312-755-7357 Illinois U.S.A.
  • 3127557358 | +1 312-755-7358 Illinois U.S.A.
  • 3127557359 | +1 312-755-7359 Illinois U.S.A.
  • 3127557360 | +1 312-755-7360 Illinois U.S.A.
  • 3127557361 | +1 312-755-7361 Illinois U.S.A.
  • 3127557362 | +1 312-755-7362 Illinois U.S.A.
  • 3127557363 | +1 312-755-7363 Illinois U.S.A.
  • 3127557364 | +1 312-755-7364 Illinois U.S.A.
  • 3127557365 | +1 312-755-7365 Illinois U.S.A.
  • 3127557366 | +1 312-755-7366 Illinois U.S.A.
  • 3127557367 | +1 312-755-7367 Illinois U.S.A.
  • 3127557368 | +1 312-755-7368 Illinois U.S.A.
  • 3127557369 | +1 312-755-7369 Illinois U.S.A.
  • 3127557370 | +1 312-755-7370 Illinois U.S.A.
  • 3127557371 | +1 312-755-7371 Illinois U.S.A.
  • 3127557372 | +1 312-755-7372 Illinois U.S.A.
  • 3127557373 | +1 312-755-7373 Illinois U.S.A.
  • 3127557374 | +1 312-755-7374 Illinois U.S.A.
  • 3127557375 | +1 312-755-7375 Illinois U.S.A.
  • 3127557376 | +1 312-755-7376 Illinois U.S.A.
  • 3127557377 | +1 312-755-7377 Illinois U.S.A.
  • 3127557378 | +1 312-755-7378 Illinois U.S.A.
  • 3127557379 | +1 312-755-7379 Illinois U.S.A.
  • 3127557380 | +1 312-755-7380 Illinois U.S.A.
  • 3127557381 | +1 312-755-7381 Illinois U.S.A.
  • 3127557382 | +1 312-755-7382 Illinois U.S.A.
  • 3127557383 | +1 312-755-7383 Illinois U.S.A.
  • 3127557384 | +1 312-755-7384 Illinois U.S.A.
  • 3127557385 | +1 312-755-7385 Illinois U.S.A.
  • 3127557386 | +1 312-755-7386 Illinois U.S.A.
  • 3127557387 | +1 312-755-7387 Illinois U.S.A.
  • 3127557388 | +1 312-755-7388 Illinois U.S.A.
  • 3127557389 | +1 312-755-7389 Illinois U.S.A.
  • 3127557390 | +1 312-755-7390 Illinois U.S.A.
  • 3127557391 | +1 312-755-7391 Illinois U.S.A.
  • 3127557392 | +1 312-755-7392 Illinois U.S.A.
  • 3127557393 | +1 312-755-7393 Illinois U.S.A.
  • 3127557394 | +1 312-755-7394 Illinois U.S.A.
  • 3127557395 | +1 312-755-7395 Illinois U.S.A.
  • 3127557396 | +1 312-755-7396 Illinois U.S.A.
  • 3127557397 | +1 312-755-7397 Illinois U.S.A.
  • 3127557398 | +1 312-755-7398 Illinois U.S.A.
  • 3127557399 | +1 312-755-7399 Illinois U.S.A.