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).

  • 3122443300 | +1 312-244-3300 Illinois U.S.A.
  • 3122443301 | +1 312-244-3301 Illinois U.S.A.
  • 3122443302 | +1 312-244-3302 Illinois U.S.A.
  • 3122443303 | +1 312-244-3303 Illinois U.S.A.
  • 3122443304 | +1 312-244-3304 Illinois U.S.A.
  • 3122443305 | +1 312-244-3305 Illinois U.S.A.
  • 3122443306 | +1 312-244-3306 Illinois U.S.A.
  • 3122443307 | +1 312-244-3307 Illinois U.S.A.
  • 3122443308 | +1 312-244-3308 Illinois U.S.A.
  • 3122443309 | +1 312-244-3309 Illinois U.S.A.
  • 3122443310 | +1 312-244-3310 Illinois U.S.A.
  • 3122443311 | +1 312-244-3311 Illinois U.S.A.
  • 3122443312 | +1 312-244-3312 Illinois U.S.A.
  • 3122443313 | +1 312-244-3313 Illinois U.S.A.
  • 3122443314 | +1 312-244-3314 Illinois U.S.A.
  • 3122443315 | +1 312-244-3315 Illinois U.S.A.
  • 3122443316 | +1 312-244-3316 Illinois U.S.A.
  • 3122443317 | +1 312-244-3317 Illinois U.S.A.
  • 3122443318 | +1 312-244-3318 Illinois U.S.A.
  • 3122443319 | +1 312-244-3319 Illinois U.S.A.
  • 3122443320 | +1 312-244-3320 Illinois U.S.A.
  • 3122443321 | +1 312-244-3321 Illinois U.S.A.
  • 3122443322 | +1 312-244-3322 Illinois U.S.A.
  • 3122443323 | +1 312-244-3323 Illinois U.S.A.
  • 3122443324 | +1 312-244-3324 Illinois U.S.A.
  • 3122443325 | +1 312-244-3325 Illinois U.S.A.
  • 3122443326 | +1 312-244-3326 Illinois U.S.A.
  • 3122443327 | +1 312-244-3327 Illinois U.S.A.
  • 3122443328 | +1 312-244-3328 Illinois U.S.A.
  • 3122443329 | +1 312-244-3329 Illinois U.S.A.
  • 3122443330 | +1 312-244-3330 Illinois U.S.A.
  • 3122443331 | +1 312-244-3331 Illinois U.S.A.
  • 3122443332 | +1 312-244-3332 Illinois U.S.A.
  • 3122443333 | +1 312-244-3333 Illinois U.S.A.
  • 3122443334 | +1 312-244-3334 Illinois U.S.A.
  • 3122443335 | +1 312-244-3335 Illinois U.S.A.
  • 3122443336 | +1 312-244-3336 Illinois U.S.A.
  • 3122443337 | +1 312-244-3337 Illinois U.S.A.
  • 3122443338 | +1 312-244-3338 Illinois U.S.A.
  • 3122443339 | +1 312-244-3339 Illinois U.S.A.
  • 3122443340 | +1 312-244-3340 Illinois U.S.A.
  • 3122443341 | +1 312-244-3341 Illinois U.S.A.
  • 3122443342 | +1 312-244-3342 Illinois U.S.A.
  • 3122443343 | +1 312-244-3343 Illinois U.S.A.
  • 3122443344 | +1 312-244-3344 Illinois U.S.A.
  • 3122443345 | +1 312-244-3345 Illinois U.S.A.
  • 3122443346 | +1 312-244-3346 Illinois U.S.A.
  • 3122443347 | +1 312-244-3347 Illinois U.S.A.
  • 3122443348 | +1 312-244-3348 Illinois U.S.A.
  • 3122443349 | +1 312-244-3349 Illinois U.S.A.
  • 3122443350 | +1 312-244-3350 Illinois U.S.A.
  • 3122443351 | +1 312-244-3351 Illinois U.S.A.
  • 3122443352 | +1 312-244-3352 Illinois U.S.A.
  • 3122443353 | +1 312-244-3353 Illinois U.S.A.
  • 3122443354 | +1 312-244-3354 Illinois U.S.A.
  • 3122443355 | +1 312-244-3355 Illinois U.S.A.
  • 3122443356 | +1 312-244-3356 Illinois U.S.A.
  • 3122443357 | +1 312-244-3357 Illinois U.S.A.
  • 3122443358 | +1 312-244-3358 Illinois U.S.A.
  • 3122443359 | +1 312-244-3359 Illinois U.S.A.
  • 3122443360 | +1 312-244-3360 Illinois U.S.A.
  • 3122443361 | +1 312-244-3361 Illinois U.S.A.
  • 3122443362 | +1 312-244-3362 Illinois U.S.A.
  • 3122443363 | +1 312-244-3363 Illinois U.S.A.
  • 3122443364 | +1 312-244-3364 Illinois U.S.A.
  • 3122443365 | +1 312-244-3365 Illinois U.S.A.
  • 3122443366 | +1 312-244-3366 Illinois U.S.A.
  • 3122443367 | +1 312-244-3367 Illinois U.S.A.
  • 3122443368 | +1 312-244-3368 Illinois U.S.A.
  • 3122443369 | +1 312-244-3369 Illinois U.S.A.
  • 3122443370 | +1 312-244-3370 Illinois U.S.A.
  • 3122443371 | +1 312-244-3371 Illinois U.S.A.
  • 3122443372 | +1 312-244-3372 Illinois U.S.A.
  • 3122443373 | +1 312-244-3373 Illinois U.S.A.
  • 3122443374 | +1 312-244-3374 Illinois U.S.A.
  • 3122443375 | +1 312-244-3375 Illinois U.S.A.
  • 3122443376 | +1 312-244-3376 Illinois U.S.A.
  • 3122443377 | +1 312-244-3377 Illinois U.S.A.
  • 3122443378 | +1 312-244-3378 Illinois U.S.A.
  • 3122443379 | +1 312-244-3379 Illinois U.S.A.
  • 3122443380 | +1 312-244-3380 Illinois U.S.A.
  • 3122443381 | +1 312-244-3381 Illinois U.S.A.
  • 3122443382 | +1 312-244-3382 Illinois U.S.A.
  • 3122443383 | +1 312-244-3383 Illinois U.S.A.
  • 3122443384 | +1 312-244-3384 Illinois U.S.A.
  • 3122443385 | +1 312-244-3385 Illinois U.S.A.
  • 3122443386 | +1 312-244-3386 Illinois U.S.A.
  • 3122443387 | +1 312-244-3387 Illinois U.S.A.
  • 3122443388 | +1 312-244-3388 Illinois U.S.A.
  • 3122443389 | +1 312-244-3389 Illinois U.S.A.
  • 3122443390 | +1 312-244-3390 Illinois U.S.A.
  • 3122443391 | +1 312-244-3391 Illinois U.S.A.
  • 3122443392 | +1 312-244-3392 Illinois U.S.A.
  • 3122443393 | +1 312-244-3393 Illinois U.S.A.
  • 3122443394 | +1 312-244-3394 Illinois U.S.A.
  • 3122443395 | +1 312-244-3395 Illinois U.S.A.
  • 3122443396 | +1 312-244-3396 Illinois U.S.A.
  • 3122443397 | +1 312-244-3397 Illinois U.S.A.
  • 3122443398 | +1 312-244-3398 Illinois U.S.A.
  • 3122443399 | +1 312-244-3399 Illinois U.S.A.