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).

  • 3129217300 | +1 312-921-7300 Illinois U.S.A.
  • 3129217301 | +1 312-921-7301 Illinois U.S.A.
  • 3129217302 | +1 312-921-7302 Illinois U.S.A.
  • 3129217303 | +1 312-921-7303 Illinois U.S.A.
  • 3129217304 | +1 312-921-7304 Illinois U.S.A.
  • 3129217305 | +1 312-921-7305 Illinois U.S.A.
  • 3129217306 | +1 312-921-7306 Illinois U.S.A.
  • 3129217307 | +1 312-921-7307 Illinois U.S.A.
  • 3129217308 | +1 312-921-7308 Illinois U.S.A.
  • 3129217309 | +1 312-921-7309 Illinois U.S.A.
  • 3129217310 | +1 312-921-7310 Illinois U.S.A.
  • 3129217311 | +1 312-921-7311 Illinois U.S.A.
  • 3129217312 | +1 312-921-7312 Illinois U.S.A.
  • 3129217313 | +1 312-921-7313 Illinois U.S.A.
  • 3129217314 | +1 312-921-7314 Illinois U.S.A.
  • 3129217315 | +1 312-921-7315 Illinois U.S.A.
  • 3129217316 | +1 312-921-7316 Illinois U.S.A.
  • 3129217317 | +1 312-921-7317 Illinois U.S.A.
  • 3129217318 | +1 312-921-7318 Illinois U.S.A.
  • 3129217319 | +1 312-921-7319 Illinois U.S.A.
  • 3129217320 | +1 312-921-7320 Illinois U.S.A.
  • 3129217321 | +1 312-921-7321 Illinois U.S.A.
  • 3129217322 | +1 312-921-7322 Illinois U.S.A.
  • 3129217323 | +1 312-921-7323 Illinois U.S.A.
  • 3129217324 | +1 312-921-7324 Illinois U.S.A.
  • 3129217325 | +1 312-921-7325 Illinois U.S.A.
  • 3129217326 | +1 312-921-7326 Illinois U.S.A.
  • 3129217327 | +1 312-921-7327 Illinois U.S.A.
  • 3129217328 | +1 312-921-7328 Illinois U.S.A.
  • 3129217329 | +1 312-921-7329 Illinois U.S.A.
  • 3129217330 | +1 312-921-7330 Illinois U.S.A.
  • 3129217331 | +1 312-921-7331 Illinois U.S.A.
  • 3129217332 | +1 312-921-7332 Illinois U.S.A.
  • 3129217333 | +1 312-921-7333 Illinois U.S.A.
  • 3129217334 | +1 312-921-7334 Illinois U.S.A.
  • 3129217335 | +1 312-921-7335 Illinois U.S.A.
  • 3129217336 | +1 312-921-7336 Illinois U.S.A.
  • 3129217337 | +1 312-921-7337 Illinois U.S.A.
  • 3129217338 | +1 312-921-7338 Illinois U.S.A.
  • 3129217339 | +1 312-921-7339 Illinois U.S.A.
  • 3129217340 | +1 312-921-7340 Illinois U.S.A.
  • 3129217341 | +1 312-921-7341 Illinois U.S.A.
  • 3129217342 | +1 312-921-7342 Illinois U.S.A.
  • 3129217343 | +1 312-921-7343 Illinois U.S.A.
  • 3129217344 | +1 312-921-7344 Illinois U.S.A.
  • 3129217345 | +1 312-921-7345 Illinois U.S.A.
  • 3129217346 | +1 312-921-7346 Illinois U.S.A.
  • 3129217347 | +1 312-921-7347 Illinois U.S.A.
  • 3129217348 | +1 312-921-7348 Illinois U.S.A.
  • 3129217349 | +1 312-921-7349 Illinois U.S.A.
  • 3129217350 | +1 312-921-7350 Illinois U.S.A.
  • 3129217351 | +1 312-921-7351 Illinois U.S.A.
  • 3129217352 | +1 312-921-7352 Illinois U.S.A.
  • 3129217353 | +1 312-921-7353 Illinois U.S.A.
  • 3129217354 | +1 312-921-7354 Illinois U.S.A.
  • 3129217355 | +1 312-921-7355 Illinois U.S.A.
  • 3129217356 | +1 312-921-7356 Illinois U.S.A.
  • 3129217357 | +1 312-921-7357 Illinois U.S.A.
  • 3129217358 | +1 312-921-7358 Illinois U.S.A.
  • 3129217359 | +1 312-921-7359 Illinois U.S.A.
  • 3129217360 | +1 312-921-7360 Illinois U.S.A.
  • 3129217361 | +1 312-921-7361 Illinois U.S.A.
  • 3129217362 | +1 312-921-7362 Illinois U.S.A.
  • 3129217363 | +1 312-921-7363 Illinois U.S.A.
  • 3129217364 | +1 312-921-7364 Illinois U.S.A.
  • 3129217365 | +1 312-921-7365 Illinois U.S.A.
  • 3129217366 | +1 312-921-7366 Illinois U.S.A.
  • 3129217367 | +1 312-921-7367 Illinois U.S.A.
  • 3129217368 | +1 312-921-7368 Illinois U.S.A.
  • 3129217369 | +1 312-921-7369 Illinois U.S.A.
  • 3129217370 | +1 312-921-7370 Illinois U.S.A.
  • 3129217371 | +1 312-921-7371 Illinois U.S.A.
  • 3129217372 | +1 312-921-7372 Illinois U.S.A.
  • 3129217373 | +1 312-921-7373 Illinois U.S.A.
  • 3129217374 | +1 312-921-7374 Illinois U.S.A.
  • 3129217375 | +1 312-921-7375 Illinois U.S.A.
  • 3129217376 | +1 312-921-7376 Illinois U.S.A.
  • 3129217377 | +1 312-921-7377 Illinois U.S.A.
  • 3129217378 | +1 312-921-7378 Illinois U.S.A.
  • 3129217379 | +1 312-921-7379 Illinois U.S.A.
  • 3129217380 | +1 312-921-7380 Illinois U.S.A.
  • 3129217381 | +1 312-921-7381 Illinois U.S.A.
  • 3129217382 | +1 312-921-7382 Illinois U.S.A.
  • 3129217383 | +1 312-921-7383 Illinois U.S.A.
  • 3129217384 | +1 312-921-7384 Illinois U.S.A.
  • 3129217385 | +1 312-921-7385 Illinois U.S.A.
  • 3129217386 | +1 312-921-7386 Illinois U.S.A.
  • 3129217387 | +1 312-921-7387 Illinois U.S.A.
  • 3129217388 | +1 312-921-7388 Illinois U.S.A.
  • 3129217389 | +1 312-921-7389 Illinois U.S.A.
  • 3129217390 | +1 312-921-7390 Illinois U.S.A.
  • 3129217391 | +1 312-921-7391 Illinois U.S.A.
  • 3129217392 | +1 312-921-7392 Illinois U.S.A.
  • 3129217393 | +1 312-921-7393 Illinois U.S.A.
  • 3129217394 | +1 312-921-7394 Illinois U.S.A.
  • 3129217395 | +1 312-921-7395 Illinois U.S.A.
  • 3129217396 | +1 312-921-7396 Illinois U.S.A.
  • 3129217397 | +1 312-921-7397 Illinois U.S.A.
  • 3129217398 | +1 312-921-7398 Illinois U.S.A.
  • 3129217399 | +1 312-921-7399 Illinois U.S.A.