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).

  • 3127770300 | +1 312-777-0300 Illinois U.S.A.
  • 3127770301 | +1 312-777-0301 Illinois U.S.A.
  • 3127770302 | +1 312-777-0302 Illinois U.S.A.
  • 3127770303 | +1 312-777-0303 Illinois U.S.A.
  • 3127770304 | +1 312-777-0304 Illinois U.S.A.
  • 3127770305 | +1 312-777-0305 Illinois U.S.A.
  • 3127770306 | +1 312-777-0306 Illinois U.S.A.
  • 3127770307 | +1 312-777-0307 Illinois U.S.A.
  • 3127770308 | +1 312-777-0308 Illinois U.S.A.
  • 3127770309 | +1 312-777-0309 Illinois U.S.A.
  • 3127770310 | +1 312-777-0310 Illinois U.S.A.
  • 3127770311 | +1 312-777-0311 Illinois U.S.A.
  • 3127770312 | +1 312-777-0312 Illinois U.S.A.
  • 3127770313 | +1 312-777-0313 Illinois U.S.A.
  • 3127770314 | +1 312-777-0314 Illinois U.S.A.
  • 3127770315 | +1 312-777-0315 Illinois U.S.A.
  • 3127770316 | +1 312-777-0316 Illinois U.S.A.
  • 3127770317 | +1 312-777-0317 Illinois U.S.A.
  • 3127770318 | +1 312-777-0318 Illinois U.S.A.
  • 3127770319 | +1 312-777-0319 Illinois U.S.A.
  • 3127770320 | +1 312-777-0320 Illinois U.S.A.
  • 3127770321 | +1 312-777-0321 Illinois U.S.A.
  • 3127770322 | +1 312-777-0322 Illinois U.S.A.
  • 3127770323 | +1 312-777-0323 Illinois U.S.A.
  • 3127770324 | +1 312-777-0324 Illinois U.S.A.
  • 3127770325 | +1 312-777-0325 Illinois U.S.A.
  • 3127770326 | +1 312-777-0326 Illinois U.S.A.
  • 3127770327 | +1 312-777-0327 Illinois U.S.A.
  • 3127770328 | +1 312-777-0328 Illinois U.S.A.
  • 3127770329 | +1 312-777-0329 Illinois U.S.A.
  • 3127770330 | +1 312-777-0330 Illinois U.S.A.
  • 3127770331 | +1 312-777-0331 Illinois U.S.A.
  • 3127770332 | +1 312-777-0332 Illinois U.S.A.
  • 3127770333 | +1 312-777-0333 Illinois U.S.A.
  • 3127770334 | +1 312-777-0334 Illinois U.S.A.
  • 3127770335 | +1 312-777-0335 Illinois U.S.A.
  • 3127770336 | +1 312-777-0336 Illinois U.S.A.
  • 3127770337 | +1 312-777-0337 Illinois U.S.A.
  • 3127770338 | +1 312-777-0338 Illinois U.S.A.
  • 3127770339 | +1 312-777-0339 Illinois U.S.A.
  • 3127770340 | +1 312-777-0340 Illinois U.S.A.
  • 3127770341 | +1 312-777-0341 Illinois U.S.A.
  • 3127770342 | +1 312-777-0342 Illinois U.S.A.
  • 3127770343 | +1 312-777-0343 Illinois U.S.A.
  • 3127770344 | +1 312-777-0344 Illinois U.S.A.
  • 3127770345 | +1 312-777-0345 Illinois U.S.A.
  • 3127770346 | +1 312-777-0346 Illinois U.S.A.
  • 3127770347 | +1 312-777-0347 Illinois U.S.A.
  • 3127770348 | +1 312-777-0348 Illinois U.S.A.
  • 3127770349 | +1 312-777-0349 Illinois U.S.A.
  • 3127770350 | +1 312-777-0350 Illinois U.S.A.
  • 3127770351 | +1 312-777-0351 Illinois U.S.A.
  • 3127770352 | +1 312-777-0352 Illinois U.S.A.
  • 3127770353 | +1 312-777-0353 Illinois U.S.A.
  • 3127770354 | +1 312-777-0354 Illinois U.S.A.
  • 3127770355 | +1 312-777-0355 Illinois U.S.A.
  • 3127770356 | +1 312-777-0356 Illinois U.S.A.
  • 3127770357 | +1 312-777-0357 Illinois U.S.A.
  • 3127770358 | +1 312-777-0358 Illinois U.S.A.
  • 3127770359 | +1 312-777-0359 Illinois U.S.A.
  • 3127770360 | +1 312-777-0360 Illinois U.S.A.
  • 3127770361 | +1 312-777-0361 Illinois U.S.A.
  • 3127770362 | +1 312-777-0362 Illinois U.S.A.
  • 3127770363 | +1 312-777-0363 Illinois U.S.A.
  • 3127770364 | +1 312-777-0364 Illinois U.S.A.
  • 3127770365 | +1 312-777-0365 Illinois U.S.A.
  • 3127770366 | +1 312-777-0366 Illinois U.S.A.
  • 3127770367 | +1 312-777-0367 Illinois U.S.A.
  • 3127770368 | +1 312-777-0368 Illinois U.S.A.
  • 3127770369 | +1 312-777-0369 Illinois U.S.A.
  • 3127770370 | +1 312-777-0370 Illinois U.S.A.
  • 3127770371 | +1 312-777-0371 Illinois U.S.A.
  • 3127770372 | +1 312-777-0372 Illinois U.S.A.
  • 3127770373 | +1 312-777-0373 Illinois U.S.A.
  • 3127770374 | +1 312-777-0374 Illinois U.S.A.
  • 3127770375 | +1 312-777-0375 Illinois U.S.A.
  • 3127770376 | +1 312-777-0376 Illinois U.S.A.
  • 3127770377 | +1 312-777-0377 Illinois U.S.A.
  • 3127770378 | +1 312-777-0378 Illinois U.S.A.
  • 3127770379 | +1 312-777-0379 Illinois U.S.A.
  • 3127770380 | +1 312-777-0380 Illinois U.S.A.
  • 3127770381 | +1 312-777-0381 Illinois U.S.A.
  • 3127770382 | +1 312-777-0382 Illinois U.S.A.
  • 3127770383 | +1 312-777-0383 Illinois U.S.A.
  • 3127770384 | +1 312-777-0384 Illinois U.S.A.
  • 3127770385 | +1 312-777-0385 Illinois U.S.A.
  • 3127770386 | +1 312-777-0386 Illinois U.S.A.
  • 3127770387 | +1 312-777-0387 Illinois U.S.A.
  • 3127770388 | +1 312-777-0388 Illinois U.S.A.
  • 3127770389 | +1 312-777-0389 Illinois U.S.A.
  • 3127770390 | +1 312-777-0390 Illinois U.S.A.
  • 3127770391 | +1 312-777-0391 Illinois U.S.A.
  • 3127770392 | +1 312-777-0392 Illinois U.S.A.
  • 3127770393 | +1 312-777-0393 Illinois U.S.A.
  • 3127770394 | +1 312-777-0394 Illinois U.S.A.
  • 3127770395 | +1 312-777-0395 Illinois U.S.A.
  • 3127770396 | +1 312-777-0396 Illinois U.S.A.
  • 3127770397 | +1 312-777-0397 Illinois U.S.A.
  • 3127770398 | +1 312-777-0398 Illinois U.S.A.
  • 3127770399 | +1 312-777-0399 Illinois U.S.A.