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).

  • 3129778300 | +1 312-977-8300 Illinois U.S.A.
  • 3129778301 | +1 312-977-8301 Illinois U.S.A.
  • 3129778302 | +1 312-977-8302 Illinois U.S.A.
  • 3129778303 | +1 312-977-8303 Illinois U.S.A.
  • 3129778304 | +1 312-977-8304 Illinois U.S.A.
  • 3129778305 | +1 312-977-8305 Illinois U.S.A.
  • 3129778306 | +1 312-977-8306 Illinois U.S.A.
  • 3129778307 | +1 312-977-8307 Illinois U.S.A.
  • 3129778308 | +1 312-977-8308 Illinois U.S.A.
  • 3129778309 | +1 312-977-8309 Illinois U.S.A.
  • 3129778310 | +1 312-977-8310 Illinois U.S.A.
  • 3129778311 | +1 312-977-8311 Illinois U.S.A.
  • 3129778312 | +1 312-977-8312 Illinois U.S.A.
  • 3129778313 | +1 312-977-8313 Illinois U.S.A.
  • 3129778314 | +1 312-977-8314 Illinois U.S.A.
  • 3129778315 | +1 312-977-8315 Illinois U.S.A.
  • 3129778316 | +1 312-977-8316 Illinois U.S.A.
  • 3129778317 | +1 312-977-8317 Illinois U.S.A.
  • 3129778318 | +1 312-977-8318 Illinois U.S.A.
  • 3129778319 | +1 312-977-8319 Illinois U.S.A.
  • 3129778320 | +1 312-977-8320 Illinois U.S.A.
  • 3129778321 | +1 312-977-8321 Illinois U.S.A.
  • 3129778322 | +1 312-977-8322 Illinois U.S.A.
  • 3129778323 | +1 312-977-8323 Illinois U.S.A.
  • 3129778324 | +1 312-977-8324 Illinois U.S.A.
  • 3129778325 | +1 312-977-8325 Illinois U.S.A.
  • 3129778326 | +1 312-977-8326 Illinois U.S.A.
  • 3129778327 | +1 312-977-8327 Illinois U.S.A.
  • 3129778328 | +1 312-977-8328 Illinois U.S.A.
  • 3129778329 | +1 312-977-8329 Illinois U.S.A.
  • 3129778330 | +1 312-977-8330 Illinois U.S.A.
  • 3129778331 | +1 312-977-8331 Illinois U.S.A.
  • 3129778332 | +1 312-977-8332 Illinois U.S.A.
  • 3129778333 | +1 312-977-8333 Illinois U.S.A.
  • 3129778334 | +1 312-977-8334 Illinois U.S.A.
  • 3129778335 | +1 312-977-8335 Illinois U.S.A.
  • 3129778336 | +1 312-977-8336 Illinois U.S.A.
  • 3129778337 | +1 312-977-8337 Illinois U.S.A.
  • 3129778338 | +1 312-977-8338 Illinois U.S.A.
  • 3129778339 | +1 312-977-8339 Illinois U.S.A.
  • 3129778340 | +1 312-977-8340 Illinois U.S.A.
  • 3129778341 | +1 312-977-8341 Illinois U.S.A.
  • 3129778342 | +1 312-977-8342 Illinois U.S.A.
  • 3129778343 | +1 312-977-8343 Illinois U.S.A.
  • 3129778344 | +1 312-977-8344 Illinois U.S.A.
  • 3129778345 | +1 312-977-8345 Illinois U.S.A.
  • 3129778346 | +1 312-977-8346 Illinois U.S.A.
  • 3129778347 | +1 312-977-8347 Illinois U.S.A.
  • 3129778348 | +1 312-977-8348 Illinois U.S.A.
  • 3129778349 | +1 312-977-8349 Illinois U.S.A.
  • 3129778350 | +1 312-977-8350 Illinois U.S.A.
  • 3129778351 | +1 312-977-8351 Illinois U.S.A.
  • 3129778352 | +1 312-977-8352 Illinois U.S.A.
  • 3129778353 | +1 312-977-8353 Illinois U.S.A.
  • 3129778354 | +1 312-977-8354 Illinois U.S.A.
  • 3129778355 | +1 312-977-8355 Illinois U.S.A.
  • 3129778356 | +1 312-977-8356 Illinois U.S.A.
  • 3129778357 | +1 312-977-8357 Illinois U.S.A.
  • 3129778358 | +1 312-977-8358 Illinois U.S.A.
  • 3129778359 | +1 312-977-8359 Illinois U.S.A.
  • 3129778360 | +1 312-977-8360 Illinois U.S.A.
  • 3129778361 | +1 312-977-8361 Illinois U.S.A.
  • 3129778362 | +1 312-977-8362 Illinois U.S.A.
  • 3129778363 | +1 312-977-8363 Illinois U.S.A.
  • 3129778364 | +1 312-977-8364 Illinois U.S.A.
  • 3129778365 | +1 312-977-8365 Illinois U.S.A.
  • 3129778366 | +1 312-977-8366 Illinois U.S.A.
  • 3129778367 | +1 312-977-8367 Illinois U.S.A.
  • 3129778368 | +1 312-977-8368 Illinois U.S.A.
  • 3129778369 | +1 312-977-8369 Illinois U.S.A.
  • 3129778370 | +1 312-977-8370 Illinois U.S.A.
  • 3129778371 | +1 312-977-8371 Illinois U.S.A.
  • 3129778372 | +1 312-977-8372 Illinois U.S.A.
  • 3129778373 | +1 312-977-8373 Illinois U.S.A.
  • 3129778374 | +1 312-977-8374 Illinois U.S.A.
  • 3129778375 | +1 312-977-8375 Illinois U.S.A.
  • 3129778376 | +1 312-977-8376 Illinois U.S.A.
  • 3129778377 | +1 312-977-8377 Illinois U.S.A.
  • 3129778378 | +1 312-977-8378 Illinois U.S.A.
  • 3129778379 | +1 312-977-8379 Illinois U.S.A.
  • 3129778380 | +1 312-977-8380 Illinois U.S.A.
  • 3129778381 | +1 312-977-8381 Illinois U.S.A.
  • 3129778382 | +1 312-977-8382 Illinois U.S.A.
  • 3129778383 | +1 312-977-8383 Illinois U.S.A.
  • 3129778384 | +1 312-977-8384 Illinois U.S.A.
  • 3129778385 | +1 312-977-8385 Illinois U.S.A.
  • 3129778386 | +1 312-977-8386 Illinois U.S.A.
  • 3129778387 | +1 312-977-8387 Illinois U.S.A.
  • 3129778388 | +1 312-977-8388 Illinois U.S.A.
  • 3129778389 | +1 312-977-8389 Illinois U.S.A.
  • 3129778390 | +1 312-977-8390 Illinois U.S.A.
  • 3129778391 | +1 312-977-8391 Illinois U.S.A.
  • 3129778392 | +1 312-977-8392 Illinois U.S.A.
  • 3129778393 | +1 312-977-8393 Illinois U.S.A.
  • 3129778394 | +1 312-977-8394 Illinois U.S.A.
  • 3129778395 | +1 312-977-8395 Illinois U.S.A.
  • 3129778396 | +1 312-977-8396 Illinois U.S.A.
  • 3129778397 | +1 312-977-8397 Illinois U.S.A.
  • 3129778398 | +1 312-977-8398 Illinois U.S.A.
  • 3129778399 | +1 312-977-8399 Illinois U.S.A.