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).

  • 3129390300 | +1 312-939-0300 Illinois U.S.A.
  • 3129390301 | +1 312-939-0301 Illinois U.S.A.
  • 3129390302 | +1 312-939-0302 Illinois U.S.A.
  • 3129390303 | +1 312-939-0303 Illinois U.S.A.
  • 3129390304 | +1 312-939-0304 Illinois U.S.A.
  • 3129390305 | +1 312-939-0305 Illinois U.S.A.
  • 3129390306 | +1 312-939-0306 Illinois U.S.A.
  • 3129390307 | +1 312-939-0307 Illinois U.S.A.
  • 3129390308 | +1 312-939-0308 Illinois U.S.A.
  • 3129390309 | +1 312-939-0309 Illinois U.S.A.
  • 3129390310 | +1 312-939-0310 Illinois U.S.A.
  • 3129390311 | +1 312-939-0311 Illinois U.S.A.
  • 3129390312 | +1 312-939-0312 Illinois U.S.A.
  • 3129390313 | +1 312-939-0313 Illinois U.S.A.
  • 3129390314 | +1 312-939-0314 Illinois U.S.A.
  • 3129390315 | +1 312-939-0315 Illinois U.S.A.
  • 3129390316 | +1 312-939-0316 Illinois U.S.A.
  • 3129390317 | +1 312-939-0317 Illinois U.S.A.
  • 3129390318 | +1 312-939-0318 Illinois U.S.A.
  • 3129390319 | +1 312-939-0319 Illinois U.S.A.
  • 3129390320 | +1 312-939-0320 Illinois U.S.A.
  • 3129390321 | +1 312-939-0321 Illinois U.S.A.
  • 3129390322 | +1 312-939-0322 Illinois U.S.A.
  • 3129390323 | +1 312-939-0323 Illinois U.S.A.
  • 3129390324 | +1 312-939-0324 Illinois U.S.A.
  • 3129390325 | +1 312-939-0325 Illinois U.S.A.
  • 3129390326 | +1 312-939-0326 Illinois U.S.A.
  • 3129390327 | +1 312-939-0327 Illinois U.S.A.
  • 3129390328 | +1 312-939-0328 Illinois U.S.A.
  • 3129390329 | +1 312-939-0329 Illinois U.S.A.
  • 3129390330 | +1 312-939-0330 Illinois U.S.A.
  • 3129390331 | +1 312-939-0331 Illinois U.S.A.
  • 3129390332 | +1 312-939-0332 Illinois U.S.A.
  • 3129390333 | +1 312-939-0333 Illinois U.S.A.
  • 3129390334 | +1 312-939-0334 Illinois U.S.A.
  • 3129390335 | +1 312-939-0335 Illinois U.S.A.
  • 3129390336 | +1 312-939-0336 Illinois U.S.A.
  • 3129390337 | +1 312-939-0337 Illinois U.S.A.
  • 3129390338 | +1 312-939-0338 Illinois U.S.A.
  • 3129390339 | +1 312-939-0339 Illinois U.S.A.
  • 3129390340 | +1 312-939-0340 Illinois U.S.A.
  • 3129390341 | +1 312-939-0341 Illinois U.S.A.
  • 3129390342 | +1 312-939-0342 Illinois U.S.A.
  • 3129390343 | +1 312-939-0343 Illinois U.S.A.
  • 3129390344 | +1 312-939-0344 Illinois U.S.A.
  • 3129390345 | +1 312-939-0345 Illinois U.S.A.
  • 3129390346 | +1 312-939-0346 Illinois U.S.A.
  • 3129390347 | +1 312-939-0347 Illinois U.S.A.
  • 3129390348 | +1 312-939-0348 Illinois U.S.A.
  • 3129390349 | +1 312-939-0349 Illinois U.S.A.
  • 3129390350 | +1 312-939-0350 Illinois U.S.A.
  • 3129390351 | +1 312-939-0351 Illinois U.S.A.
  • 3129390352 | +1 312-939-0352 Illinois U.S.A.
  • 3129390353 | +1 312-939-0353 Illinois U.S.A.
  • 3129390354 | +1 312-939-0354 Illinois U.S.A.
  • 3129390355 | +1 312-939-0355 Illinois U.S.A.
  • 3129390356 | +1 312-939-0356 Illinois U.S.A.
  • 3129390357 | +1 312-939-0357 Illinois U.S.A.
  • 3129390358 | +1 312-939-0358 Illinois U.S.A.
  • 3129390359 | +1 312-939-0359 Illinois U.S.A.
  • 3129390360 | +1 312-939-0360 Illinois U.S.A.
  • 3129390361 | +1 312-939-0361 Illinois U.S.A.
  • 3129390362 | +1 312-939-0362 Illinois U.S.A.
  • 3129390363 | +1 312-939-0363 Illinois U.S.A.
  • 3129390364 | +1 312-939-0364 Illinois U.S.A.
  • 3129390365 | +1 312-939-0365 Illinois U.S.A.
  • 3129390366 | +1 312-939-0366 Illinois U.S.A.
  • 3129390367 | +1 312-939-0367 Illinois U.S.A.
  • 3129390368 | +1 312-939-0368 Illinois U.S.A.
  • 3129390369 | +1 312-939-0369 Illinois U.S.A.
  • 3129390370 | +1 312-939-0370 Illinois U.S.A.
  • 3129390371 | +1 312-939-0371 Illinois U.S.A.
  • 3129390372 | +1 312-939-0372 Illinois U.S.A.
  • 3129390373 | +1 312-939-0373 Illinois U.S.A.
  • 3129390374 | +1 312-939-0374 Illinois U.S.A.
  • 3129390375 | +1 312-939-0375 Illinois U.S.A.
  • 3129390376 | +1 312-939-0376 Illinois U.S.A.
  • 3129390377 | +1 312-939-0377 Illinois U.S.A.
  • 3129390378 | +1 312-939-0378 Illinois U.S.A.
  • 3129390379 | +1 312-939-0379 Illinois U.S.A.
  • 3129390380 | +1 312-939-0380 Illinois U.S.A.
  • 3129390381 | +1 312-939-0381 Illinois U.S.A.
  • 3129390382 | +1 312-939-0382 Illinois U.S.A.
  • 3129390383 | +1 312-939-0383 Illinois U.S.A.
  • 3129390384 | +1 312-939-0384 Illinois U.S.A.
  • 3129390385 | +1 312-939-0385 Illinois U.S.A.
  • 3129390386 | +1 312-939-0386 Illinois U.S.A.
  • 3129390387 | +1 312-939-0387 Illinois U.S.A.
  • 3129390388 | +1 312-939-0388 Illinois U.S.A.
  • 3129390389 | +1 312-939-0389 Illinois U.S.A.
  • 3129390390 | +1 312-939-0390 Illinois U.S.A.
  • 3129390391 | +1 312-939-0391 Illinois U.S.A.
  • 3129390392 | +1 312-939-0392 Illinois U.S.A.
  • 3129390393 | +1 312-939-0393 Illinois U.S.A.
  • 3129390394 | +1 312-939-0394 Illinois U.S.A.
  • 3129390395 | +1 312-939-0395 Illinois U.S.A.
  • 3129390396 | +1 312-939-0396 Illinois U.S.A.
  • 3129390397 | +1 312-939-0397 Illinois U.S.A.
  • 3129390398 | +1 312-939-0398 Illinois U.S.A.
  • 3129390399 | +1 312-939-0399 Illinois U.S.A.