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).

  • 3129215300 | +1 312-921-5300 Illinois U.S.A.
  • 3129215301 | +1 312-921-5301 Illinois U.S.A.
  • 3129215302 | +1 312-921-5302 Illinois U.S.A.
  • 3129215303 | +1 312-921-5303 Illinois U.S.A.
  • 3129215304 | +1 312-921-5304 Illinois U.S.A.
  • 3129215305 | +1 312-921-5305 Illinois U.S.A.
  • 3129215306 | +1 312-921-5306 Illinois U.S.A.
  • 3129215307 | +1 312-921-5307 Illinois U.S.A.
  • 3129215308 | +1 312-921-5308 Illinois U.S.A.
  • 3129215309 | +1 312-921-5309 Illinois U.S.A.
  • 3129215310 | +1 312-921-5310 Illinois U.S.A.
  • 3129215311 | +1 312-921-5311 Illinois U.S.A.
  • 3129215312 | +1 312-921-5312 Illinois U.S.A.
  • 3129215313 | +1 312-921-5313 Illinois U.S.A.
  • 3129215314 | +1 312-921-5314 Illinois U.S.A.
  • 3129215315 | +1 312-921-5315 Illinois U.S.A.
  • 3129215316 | +1 312-921-5316 Illinois U.S.A.
  • 3129215317 | +1 312-921-5317 Illinois U.S.A.
  • 3129215318 | +1 312-921-5318 Illinois U.S.A.
  • 3129215319 | +1 312-921-5319 Illinois U.S.A.
  • 3129215320 | +1 312-921-5320 Illinois U.S.A.
  • 3129215321 | +1 312-921-5321 Illinois U.S.A.
  • 3129215322 | +1 312-921-5322 Illinois U.S.A.
  • 3129215323 | +1 312-921-5323 Illinois U.S.A.
  • 3129215324 | +1 312-921-5324 Illinois U.S.A.
  • 3129215325 | +1 312-921-5325 Illinois U.S.A.
  • 3129215326 | +1 312-921-5326 Illinois U.S.A.
  • 3129215327 | +1 312-921-5327 Illinois U.S.A.
  • 3129215328 | +1 312-921-5328 Illinois U.S.A.
  • 3129215329 | +1 312-921-5329 Illinois U.S.A.
  • 3129215330 | +1 312-921-5330 Illinois U.S.A.
  • 3129215331 | +1 312-921-5331 Illinois U.S.A.
  • 3129215332 | +1 312-921-5332 Illinois U.S.A.
  • 3129215333 | +1 312-921-5333 Illinois U.S.A.
  • 3129215334 | +1 312-921-5334 Illinois U.S.A.
  • 3129215335 | +1 312-921-5335 Illinois U.S.A.
  • 3129215336 | +1 312-921-5336 Illinois U.S.A.
  • 3129215337 | +1 312-921-5337 Illinois U.S.A.
  • 3129215338 | +1 312-921-5338 Illinois U.S.A.
  • 3129215339 | +1 312-921-5339 Illinois U.S.A.
  • 3129215340 | +1 312-921-5340 Illinois U.S.A.
  • 3129215341 | +1 312-921-5341 Illinois U.S.A.
  • 3129215342 | +1 312-921-5342 Illinois U.S.A.
  • 3129215343 | +1 312-921-5343 Illinois U.S.A.
  • 3129215344 | +1 312-921-5344 Illinois U.S.A.
  • 3129215345 | +1 312-921-5345 Illinois U.S.A.
  • 3129215346 | +1 312-921-5346 Illinois U.S.A.
  • 3129215347 | +1 312-921-5347 Illinois U.S.A.
  • 3129215348 | +1 312-921-5348 Illinois U.S.A.
  • 3129215349 | +1 312-921-5349 Illinois U.S.A.
  • 3129215350 | +1 312-921-5350 Illinois U.S.A.
  • 3129215351 | +1 312-921-5351 Illinois U.S.A.
  • 3129215352 | +1 312-921-5352 Illinois U.S.A.
  • 3129215353 | +1 312-921-5353 Illinois U.S.A.
  • 3129215354 | +1 312-921-5354 Illinois U.S.A.
  • 3129215355 | +1 312-921-5355 Illinois U.S.A.
  • 3129215356 | +1 312-921-5356 Illinois U.S.A.
  • 3129215357 | +1 312-921-5357 Illinois U.S.A.
  • 3129215358 | +1 312-921-5358 Illinois U.S.A.
  • 3129215359 | +1 312-921-5359 Illinois U.S.A.
  • 3129215360 | +1 312-921-5360 Illinois U.S.A.
  • 3129215361 | +1 312-921-5361 Illinois U.S.A.
  • 3129215362 | +1 312-921-5362 Illinois U.S.A.
  • 3129215363 | +1 312-921-5363 Illinois U.S.A.
  • 3129215364 | +1 312-921-5364 Illinois U.S.A.
  • 3129215365 | +1 312-921-5365 Illinois U.S.A.
  • 3129215366 | +1 312-921-5366 Illinois U.S.A.
  • 3129215367 | +1 312-921-5367 Illinois U.S.A.
  • 3129215368 | +1 312-921-5368 Illinois U.S.A.
  • 3129215369 | +1 312-921-5369 Illinois U.S.A.
  • 3129215370 | +1 312-921-5370 Illinois U.S.A.
  • 3129215371 | +1 312-921-5371 Illinois U.S.A.
  • 3129215372 | +1 312-921-5372 Illinois U.S.A.
  • 3129215373 | +1 312-921-5373 Illinois U.S.A.
  • 3129215374 | +1 312-921-5374 Illinois U.S.A.
  • 3129215375 | +1 312-921-5375 Illinois U.S.A.
  • 3129215376 | +1 312-921-5376 Illinois U.S.A.
  • 3129215377 | +1 312-921-5377 Illinois U.S.A.
  • 3129215378 | +1 312-921-5378 Illinois U.S.A.
  • 3129215379 | +1 312-921-5379 Illinois U.S.A.
  • 3129215380 | +1 312-921-5380 Illinois U.S.A.
  • 3129215381 | +1 312-921-5381 Illinois U.S.A.
  • 3129215382 | +1 312-921-5382 Illinois U.S.A.
  • 3129215383 | +1 312-921-5383 Illinois U.S.A.
  • 3129215384 | +1 312-921-5384 Illinois U.S.A.
  • 3129215385 | +1 312-921-5385 Illinois U.S.A.
  • 3129215386 | +1 312-921-5386 Illinois U.S.A.
  • 3129215387 | +1 312-921-5387 Illinois U.S.A.
  • 3129215388 | +1 312-921-5388 Illinois U.S.A.
  • 3129215389 | +1 312-921-5389 Illinois U.S.A.
  • 3129215390 | +1 312-921-5390 Illinois U.S.A.
  • 3129215391 | +1 312-921-5391 Illinois U.S.A.
  • 3129215392 | +1 312-921-5392 Illinois U.S.A.
  • 3129215393 | +1 312-921-5393 Illinois U.S.A.
  • 3129215394 | +1 312-921-5394 Illinois U.S.A.
  • 3129215395 | +1 312-921-5395 Illinois U.S.A.
  • 3129215396 | +1 312-921-5396 Illinois U.S.A.
  • 3129215397 | +1 312-921-5397 Illinois U.S.A.
  • 3129215398 | +1 312-921-5398 Illinois U.S.A.
  • 3129215399 | +1 312-921-5399 Illinois U.S.A.