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).

  • 3123000300 | +1 312-300-0300 Illinois U.S.A.
  • 3123000301 | +1 312-300-0301 Illinois U.S.A.
  • 3123000302 | +1 312-300-0302 Illinois U.S.A.
  • 3123000303 | +1 312-300-0303 Illinois U.S.A.
  • 3123000304 | +1 312-300-0304 Illinois U.S.A.
  • 3123000305 | +1 312-300-0305 Illinois U.S.A.
  • 3123000306 | +1 312-300-0306 Illinois U.S.A.
  • 3123000307 | +1 312-300-0307 Illinois U.S.A.
  • 3123000308 | +1 312-300-0308 Illinois U.S.A.
  • 3123000309 | +1 312-300-0309 Illinois U.S.A.
  • 3123000310 | +1 312-300-0310 Illinois U.S.A.
  • 3123000311 | +1 312-300-0311 Illinois U.S.A.
  • 3123000312 | +1 312-300-0312 Illinois U.S.A.
  • 3123000313 | +1 312-300-0313 Illinois U.S.A.
  • 3123000314 | +1 312-300-0314 Illinois U.S.A.
  • 3123000315 | +1 312-300-0315 Illinois U.S.A.
  • 3123000316 | +1 312-300-0316 Illinois U.S.A.
  • 3123000317 | +1 312-300-0317 Illinois U.S.A.
  • 3123000318 | +1 312-300-0318 Illinois U.S.A.
  • 3123000319 | +1 312-300-0319 Illinois U.S.A.
  • 3123000320 | +1 312-300-0320 Illinois U.S.A.
  • 3123000321 | +1 312-300-0321 Illinois U.S.A.
  • 3123000322 | +1 312-300-0322 Illinois U.S.A.
  • 3123000323 | +1 312-300-0323 Illinois U.S.A.
  • 3123000324 | +1 312-300-0324 Illinois U.S.A.
  • 3123000325 | +1 312-300-0325 Illinois U.S.A.
  • 3123000326 | +1 312-300-0326 Illinois U.S.A.
  • 3123000327 | +1 312-300-0327 Illinois U.S.A.
  • 3123000328 | +1 312-300-0328 Illinois U.S.A.
  • 3123000329 | +1 312-300-0329 Illinois U.S.A.
  • 3123000330 | +1 312-300-0330 Illinois U.S.A.
  • 3123000331 | +1 312-300-0331 Illinois U.S.A.
  • 3123000332 | +1 312-300-0332 Illinois U.S.A.
  • 3123000333 | +1 312-300-0333 Illinois U.S.A.
  • 3123000334 | +1 312-300-0334 Illinois U.S.A.
  • 3123000335 | +1 312-300-0335 Illinois U.S.A.
  • 3123000336 | +1 312-300-0336 Illinois U.S.A.
  • 3123000337 | +1 312-300-0337 Illinois U.S.A.
  • 3123000338 | +1 312-300-0338 Illinois U.S.A.
  • 3123000339 | +1 312-300-0339 Illinois U.S.A.
  • 3123000340 | +1 312-300-0340 Illinois U.S.A.
  • 3123000341 | +1 312-300-0341 Illinois U.S.A.
  • 3123000342 | +1 312-300-0342 Illinois U.S.A.
  • 3123000343 | +1 312-300-0343 Illinois U.S.A.
  • 3123000344 | +1 312-300-0344 Illinois U.S.A.
  • 3123000345 | +1 312-300-0345 Illinois U.S.A.
  • 3123000346 | +1 312-300-0346 Illinois U.S.A.
  • 3123000347 | +1 312-300-0347 Illinois U.S.A.
  • 3123000348 | +1 312-300-0348 Illinois U.S.A.
  • 3123000349 | +1 312-300-0349 Illinois U.S.A.
  • 3123000350 | +1 312-300-0350 Illinois U.S.A.
  • 3123000351 | +1 312-300-0351 Illinois U.S.A.
  • 3123000352 | +1 312-300-0352 Illinois U.S.A.
  • 3123000353 | +1 312-300-0353 Illinois U.S.A.
  • 3123000354 | +1 312-300-0354 Illinois U.S.A.
  • 3123000355 | +1 312-300-0355 Illinois U.S.A.
  • 3123000356 | +1 312-300-0356 Illinois U.S.A.
  • 3123000357 | +1 312-300-0357 Illinois U.S.A.
  • 3123000358 | +1 312-300-0358 Illinois U.S.A.
  • 3123000359 | +1 312-300-0359 Illinois U.S.A.
  • 3123000360 | +1 312-300-0360 Illinois U.S.A.
  • 3123000361 | +1 312-300-0361 Illinois U.S.A.
  • 3123000362 | +1 312-300-0362 Illinois U.S.A.
  • 3123000363 | +1 312-300-0363 Illinois U.S.A.
  • 3123000364 | +1 312-300-0364 Illinois U.S.A.
  • 3123000365 | +1 312-300-0365 Illinois U.S.A.
  • 3123000366 | +1 312-300-0366 Illinois U.S.A.
  • 3123000367 | +1 312-300-0367 Illinois U.S.A.
  • 3123000368 | +1 312-300-0368 Illinois U.S.A.
  • 3123000369 | +1 312-300-0369 Illinois U.S.A.
  • 3123000370 | +1 312-300-0370 Illinois U.S.A.
  • 3123000371 | +1 312-300-0371 Illinois U.S.A.
  • 3123000372 | +1 312-300-0372 Illinois U.S.A.
  • 3123000373 | +1 312-300-0373 Illinois U.S.A.
  • 3123000374 | +1 312-300-0374 Illinois U.S.A.
  • 3123000375 | +1 312-300-0375 Illinois U.S.A.
  • 3123000376 | +1 312-300-0376 Illinois U.S.A.
  • 3123000377 | +1 312-300-0377 Illinois U.S.A.
  • 3123000378 | +1 312-300-0378 Illinois U.S.A.
  • 3123000379 | +1 312-300-0379 Illinois U.S.A.
  • 3123000380 | +1 312-300-0380 Illinois U.S.A.
  • 3123000381 | +1 312-300-0381 Illinois U.S.A.
  • 3123000382 | +1 312-300-0382 Illinois U.S.A.
  • 3123000383 | +1 312-300-0383 Illinois U.S.A.
  • 3123000384 | +1 312-300-0384 Illinois U.S.A.
  • 3123000385 | +1 312-300-0385 Illinois U.S.A.
  • 3123000386 | +1 312-300-0386 Illinois U.S.A.
  • 3123000387 | +1 312-300-0387 Illinois U.S.A.
  • 3123000388 | +1 312-300-0388 Illinois U.S.A.
  • 3123000389 | +1 312-300-0389 Illinois U.S.A.
  • 3123000390 | +1 312-300-0390 Illinois U.S.A.
  • 3123000391 | +1 312-300-0391 Illinois U.S.A.
  • 3123000392 | +1 312-300-0392 Illinois U.S.A.
  • 3123000393 | +1 312-300-0393 Illinois U.S.A.
  • 3123000394 | +1 312-300-0394 Illinois U.S.A.
  • 3123000395 | +1 312-300-0395 Illinois U.S.A.
  • 3123000396 | +1 312-300-0396 Illinois U.S.A.
  • 3123000397 | +1 312-300-0397 Illinois U.S.A.
  • 3123000398 | +1 312-300-0398 Illinois U.S.A.
  • 3123000399 | +1 312-300-0399 Illinois U.S.A.