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).

  • 3129925300 | +1 312-992-5300 Illinois U.S.A.
  • 3129925301 | +1 312-992-5301 Illinois U.S.A.
  • 3129925302 | +1 312-992-5302 Illinois U.S.A.
  • 3129925303 | +1 312-992-5303 Illinois U.S.A.
  • 3129925304 | +1 312-992-5304 Illinois U.S.A.
  • 3129925305 | +1 312-992-5305 Illinois U.S.A.
  • 3129925306 | +1 312-992-5306 Illinois U.S.A.
  • 3129925307 | +1 312-992-5307 Illinois U.S.A.
  • 3129925308 | +1 312-992-5308 Illinois U.S.A.
  • 3129925309 | +1 312-992-5309 Illinois U.S.A.
  • 3129925310 | +1 312-992-5310 Illinois U.S.A.
  • 3129925311 | +1 312-992-5311 Illinois U.S.A.
  • 3129925312 | +1 312-992-5312 Illinois U.S.A.
  • 3129925313 | +1 312-992-5313 Illinois U.S.A.
  • 3129925314 | +1 312-992-5314 Illinois U.S.A.
  • 3129925315 | +1 312-992-5315 Illinois U.S.A.
  • 3129925316 | +1 312-992-5316 Illinois U.S.A.
  • 3129925317 | +1 312-992-5317 Illinois U.S.A.
  • 3129925318 | +1 312-992-5318 Illinois U.S.A.
  • 3129925319 | +1 312-992-5319 Illinois U.S.A.
  • 3129925320 | +1 312-992-5320 Illinois U.S.A.
  • 3129925321 | +1 312-992-5321 Illinois U.S.A.
  • 3129925322 | +1 312-992-5322 Illinois U.S.A.
  • 3129925323 | +1 312-992-5323 Illinois U.S.A.
  • 3129925324 | +1 312-992-5324 Illinois U.S.A.
  • 3129925325 | +1 312-992-5325 Illinois U.S.A.
  • 3129925326 | +1 312-992-5326 Illinois U.S.A.
  • 3129925327 | +1 312-992-5327 Illinois U.S.A.
  • 3129925328 | +1 312-992-5328 Illinois U.S.A.
  • 3129925329 | +1 312-992-5329 Illinois U.S.A.
  • 3129925330 | +1 312-992-5330 Illinois U.S.A.
  • 3129925331 | +1 312-992-5331 Illinois U.S.A.
  • 3129925332 | +1 312-992-5332 Illinois U.S.A.
  • 3129925333 | +1 312-992-5333 Illinois U.S.A.
  • 3129925334 | +1 312-992-5334 Illinois U.S.A.
  • 3129925335 | +1 312-992-5335 Illinois U.S.A.
  • 3129925336 | +1 312-992-5336 Illinois U.S.A.
  • 3129925337 | +1 312-992-5337 Illinois U.S.A.
  • 3129925338 | +1 312-992-5338 Illinois U.S.A.
  • 3129925339 | +1 312-992-5339 Illinois U.S.A.
  • 3129925340 | +1 312-992-5340 Illinois U.S.A.
  • 3129925341 | +1 312-992-5341 Illinois U.S.A.
  • 3129925342 | +1 312-992-5342 Illinois U.S.A.
  • 3129925343 | +1 312-992-5343 Illinois U.S.A.
  • 3129925344 | +1 312-992-5344 Illinois U.S.A.
  • 3129925345 | +1 312-992-5345 Illinois U.S.A.
  • 3129925346 | +1 312-992-5346 Illinois U.S.A.
  • 3129925347 | +1 312-992-5347 Illinois U.S.A.
  • 3129925348 | +1 312-992-5348 Illinois U.S.A.
  • 3129925349 | +1 312-992-5349 Illinois U.S.A.
  • 3129925350 | +1 312-992-5350 Illinois U.S.A.
  • 3129925351 | +1 312-992-5351 Illinois U.S.A.
  • 3129925352 | +1 312-992-5352 Illinois U.S.A.
  • 3129925353 | +1 312-992-5353 Illinois U.S.A.
  • 3129925354 | +1 312-992-5354 Illinois U.S.A.
  • 3129925355 | +1 312-992-5355 Illinois U.S.A.
  • 3129925356 | +1 312-992-5356 Illinois U.S.A.
  • 3129925357 | +1 312-992-5357 Illinois U.S.A.
  • 3129925358 | +1 312-992-5358 Illinois U.S.A.
  • 3129925359 | +1 312-992-5359 Illinois U.S.A.
  • 3129925360 | +1 312-992-5360 Illinois U.S.A.
  • 3129925361 | +1 312-992-5361 Illinois U.S.A.
  • 3129925362 | +1 312-992-5362 Illinois U.S.A.
  • 3129925363 | +1 312-992-5363 Illinois U.S.A.
  • 3129925364 | +1 312-992-5364 Illinois U.S.A.
  • 3129925365 | +1 312-992-5365 Illinois U.S.A.
  • 3129925366 | +1 312-992-5366 Illinois U.S.A.
  • 3129925367 | +1 312-992-5367 Illinois U.S.A.
  • 3129925368 | +1 312-992-5368 Illinois U.S.A.
  • 3129925369 | +1 312-992-5369 Illinois U.S.A.
  • 3129925370 | +1 312-992-5370 Illinois U.S.A.
  • 3129925371 | +1 312-992-5371 Illinois U.S.A.
  • 3129925372 | +1 312-992-5372 Illinois U.S.A.
  • 3129925373 | +1 312-992-5373 Illinois U.S.A.
  • 3129925374 | +1 312-992-5374 Illinois U.S.A.
  • 3129925375 | +1 312-992-5375 Illinois U.S.A.
  • 3129925376 | +1 312-992-5376 Illinois U.S.A.
  • 3129925377 | +1 312-992-5377 Illinois U.S.A.
  • 3129925378 | +1 312-992-5378 Illinois U.S.A.
  • 3129925379 | +1 312-992-5379 Illinois U.S.A.
  • 3129925380 | +1 312-992-5380 Illinois U.S.A.
  • 3129925381 | +1 312-992-5381 Illinois U.S.A.
  • 3129925382 | +1 312-992-5382 Illinois U.S.A.
  • 3129925383 | +1 312-992-5383 Illinois U.S.A.
  • 3129925384 | +1 312-992-5384 Illinois U.S.A.
  • 3129925385 | +1 312-992-5385 Illinois U.S.A.
  • 3129925386 | +1 312-992-5386 Illinois U.S.A.
  • 3129925387 | +1 312-992-5387 Illinois U.S.A.
  • 3129925388 | +1 312-992-5388 Illinois U.S.A.
  • 3129925389 | +1 312-992-5389 Illinois U.S.A.
  • 3129925390 | +1 312-992-5390 Illinois U.S.A.
  • 3129925391 | +1 312-992-5391 Illinois U.S.A.
  • 3129925392 | +1 312-992-5392 Illinois U.S.A.
  • 3129925393 | +1 312-992-5393 Illinois U.S.A.
  • 3129925394 | +1 312-992-5394 Illinois U.S.A.
  • 3129925395 | +1 312-992-5395 Illinois U.S.A.
  • 3129925396 | +1 312-992-5396 Illinois U.S.A.
  • 3129925397 | +1 312-992-5397 Illinois U.S.A.
  • 3129925398 | +1 312-992-5398 Illinois U.S.A.
  • 3129925399 | +1 312-992-5399 Illinois U.S.A.