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).

  • 3122987300 | +1 312-298-7300 Illinois U.S.A.
  • 3122987301 | +1 312-298-7301 Illinois U.S.A.
  • 3122987302 | +1 312-298-7302 Illinois U.S.A.
  • 3122987303 | +1 312-298-7303 Illinois U.S.A.
  • 3122987304 | +1 312-298-7304 Illinois U.S.A.
  • 3122987305 | +1 312-298-7305 Illinois U.S.A.
  • 3122987306 | +1 312-298-7306 Illinois U.S.A.
  • 3122987307 | +1 312-298-7307 Illinois U.S.A.
  • 3122987308 | +1 312-298-7308 Illinois U.S.A.
  • 3122987309 | +1 312-298-7309 Illinois U.S.A.
  • 3122987310 | +1 312-298-7310 Illinois U.S.A.
  • 3122987311 | +1 312-298-7311 Illinois U.S.A.
  • 3122987312 | +1 312-298-7312 Illinois U.S.A.
  • 3122987313 | +1 312-298-7313 Illinois U.S.A.
  • 3122987314 | +1 312-298-7314 Illinois U.S.A.
  • 3122987315 | +1 312-298-7315 Illinois U.S.A.
  • 3122987316 | +1 312-298-7316 Illinois U.S.A.
  • 3122987317 | +1 312-298-7317 Illinois U.S.A.
  • 3122987318 | +1 312-298-7318 Illinois U.S.A.
  • 3122987319 | +1 312-298-7319 Illinois U.S.A.
  • 3122987320 | +1 312-298-7320 Illinois U.S.A.
  • 3122987321 | +1 312-298-7321 Illinois U.S.A.
  • 3122987322 | +1 312-298-7322 Illinois U.S.A.
  • 3122987323 | +1 312-298-7323 Illinois U.S.A.
  • 3122987324 | +1 312-298-7324 Illinois U.S.A.
  • 3122987325 | +1 312-298-7325 Illinois U.S.A.
  • 3122987326 | +1 312-298-7326 Illinois U.S.A.
  • 3122987327 | +1 312-298-7327 Illinois U.S.A.
  • 3122987328 | +1 312-298-7328 Illinois U.S.A.
  • 3122987329 | +1 312-298-7329 Illinois U.S.A.
  • 3122987330 | +1 312-298-7330 Illinois U.S.A.
  • 3122987331 | +1 312-298-7331 Illinois U.S.A.
  • 3122987332 | +1 312-298-7332 Illinois U.S.A.
  • 3122987333 | +1 312-298-7333 Illinois U.S.A.
  • 3122987334 | +1 312-298-7334 Illinois U.S.A.
  • 3122987335 | +1 312-298-7335 Illinois U.S.A.
  • 3122987336 | +1 312-298-7336 Illinois U.S.A.
  • 3122987337 | +1 312-298-7337 Illinois U.S.A.
  • 3122987338 | +1 312-298-7338 Illinois U.S.A.
  • 3122987339 | +1 312-298-7339 Illinois U.S.A.
  • 3122987340 | +1 312-298-7340 Illinois U.S.A.
  • 3122987341 | +1 312-298-7341 Illinois U.S.A.
  • 3122987342 | +1 312-298-7342 Illinois U.S.A.
  • 3122987343 | +1 312-298-7343 Illinois U.S.A.
  • 3122987344 | +1 312-298-7344 Illinois U.S.A.
  • 3122987345 | +1 312-298-7345 Illinois U.S.A.
  • 3122987346 | +1 312-298-7346 Illinois U.S.A.
  • 3122987347 | +1 312-298-7347 Illinois U.S.A.
  • 3122987348 | +1 312-298-7348 Illinois U.S.A.
  • 3122987349 | +1 312-298-7349 Illinois U.S.A.
  • 3122987350 | +1 312-298-7350 Illinois U.S.A.
  • 3122987351 | +1 312-298-7351 Illinois U.S.A.
  • 3122987352 | +1 312-298-7352 Illinois U.S.A.
  • 3122987353 | +1 312-298-7353 Illinois U.S.A.
  • 3122987354 | +1 312-298-7354 Illinois U.S.A.
  • 3122987355 | +1 312-298-7355 Illinois U.S.A.
  • 3122987356 | +1 312-298-7356 Illinois U.S.A.
  • 3122987357 | +1 312-298-7357 Illinois U.S.A.
  • 3122987358 | +1 312-298-7358 Illinois U.S.A.
  • 3122987359 | +1 312-298-7359 Illinois U.S.A.
  • 3122987360 | +1 312-298-7360 Illinois U.S.A.
  • 3122987361 | +1 312-298-7361 Illinois U.S.A.
  • 3122987362 | +1 312-298-7362 Illinois U.S.A.
  • 3122987363 | +1 312-298-7363 Illinois U.S.A.
  • 3122987364 | +1 312-298-7364 Illinois U.S.A.
  • 3122987365 | +1 312-298-7365 Illinois U.S.A.
  • 3122987366 | +1 312-298-7366 Illinois U.S.A.
  • 3122987367 | +1 312-298-7367 Illinois U.S.A.
  • 3122987368 | +1 312-298-7368 Illinois U.S.A.
  • 3122987369 | +1 312-298-7369 Illinois U.S.A.
  • 3122987370 | +1 312-298-7370 Illinois U.S.A.
  • 3122987371 | +1 312-298-7371 Illinois U.S.A.
  • 3122987372 | +1 312-298-7372 Illinois U.S.A.
  • 3122987373 | +1 312-298-7373 Illinois U.S.A.
  • 3122987374 | +1 312-298-7374 Illinois U.S.A.
  • 3122987375 | +1 312-298-7375 Illinois U.S.A.
  • 3122987376 | +1 312-298-7376 Illinois U.S.A.
  • 3122987377 | +1 312-298-7377 Illinois U.S.A.
  • 3122987378 | +1 312-298-7378 Illinois U.S.A.
  • 3122987379 | +1 312-298-7379 Illinois U.S.A.
  • 3122987380 | +1 312-298-7380 Illinois U.S.A.
  • 3122987381 | +1 312-298-7381 Illinois U.S.A.
  • 3122987382 | +1 312-298-7382 Illinois U.S.A.
  • 3122987383 | +1 312-298-7383 Illinois U.S.A.
  • 3122987384 | +1 312-298-7384 Illinois U.S.A.
  • 3122987385 | +1 312-298-7385 Illinois U.S.A.
  • 3122987386 | +1 312-298-7386 Illinois U.S.A.
  • 3122987387 | +1 312-298-7387 Illinois U.S.A.
  • 3122987388 | +1 312-298-7388 Illinois U.S.A.
  • 3122987389 | +1 312-298-7389 Illinois U.S.A.
  • 3122987390 | +1 312-298-7390 Illinois U.S.A.
  • 3122987391 | +1 312-298-7391 Illinois U.S.A.
  • 3122987392 | +1 312-298-7392 Illinois U.S.A.
  • 3122987393 | +1 312-298-7393 Illinois U.S.A.
  • 3122987394 | +1 312-298-7394 Illinois U.S.A.
  • 3122987395 | +1 312-298-7395 Illinois U.S.A.
  • 3122987396 | +1 312-298-7396 Illinois U.S.A.
  • 3122987397 | +1 312-298-7397 Illinois U.S.A.
  • 3122987398 | +1 312-298-7398 Illinois U.S.A.
  • 3122987399 | +1 312-298-7399 Illinois U.S.A.