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).

  • 3123550300 | +1 312-355-0300 Illinois U.S.A.
  • 3123550301 | +1 312-355-0301 Illinois U.S.A.
  • 3123550302 | +1 312-355-0302 Illinois U.S.A.
  • 3123550303 | +1 312-355-0303 Illinois U.S.A.
  • 3123550304 | +1 312-355-0304 Illinois U.S.A.
  • 3123550305 | +1 312-355-0305 Illinois U.S.A.
  • 3123550306 | +1 312-355-0306 Illinois U.S.A.
  • 3123550307 | +1 312-355-0307 Illinois U.S.A.
  • 3123550308 | +1 312-355-0308 Illinois U.S.A.
  • 3123550309 | +1 312-355-0309 Illinois U.S.A.
  • 3123550310 | +1 312-355-0310 Illinois U.S.A.
  • 3123550311 | +1 312-355-0311 Illinois U.S.A.
  • 3123550312 | +1 312-355-0312 Illinois U.S.A.
  • 3123550313 | +1 312-355-0313 Illinois U.S.A.
  • 3123550314 | +1 312-355-0314 Illinois U.S.A.
  • 3123550315 | +1 312-355-0315 Illinois U.S.A.
  • 3123550316 | +1 312-355-0316 Illinois U.S.A.
  • 3123550317 | +1 312-355-0317 Illinois U.S.A.
  • 3123550318 | +1 312-355-0318 Illinois U.S.A.
  • 3123550319 | +1 312-355-0319 Illinois U.S.A.
  • 3123550320 | +1 312-355-0320 Illinois U.S.A.
  • 3123550321 | +1 312-355-0321 Illinois U.S.A.
  • 3123550322 | +1 312-355-0322 Illinois U.S.A.
  • 3123550323 | +1 312-355-0323 Illinois U.S.A.
  • 3123550324 | +1 312-355-0324 Illinois U.S.A.
  • 3123550325 | +1 312-355-0325 Illinois U.S.A.
  • 3123550326 | +1 312-355-0326 Illinois U.S.A.
  • 3123550327 | +1 312-355-0327 Illinois U.S.A.
  • 3123550328 | +1 312-355-0328 Illinois U.S.A.
  • 3123550329 | +1 312-355-0329 Illinois U.S.A.
  • 3123550330 | +1 312-355-0330 Illinois U.S.A.
  • 3123550331 | +1 312-355-0331 Illinois U.S.A.
  • 3123550332 | +1 312-355-0332 Illinois U.S.A.
  • 3123550333 | +1 312-355-0333 Illinois U.S.A.
  • 3123550334 | +1 312-355-0334 Illinois U.S.A.
  • 3123550335 | +1 312-355-0335 Illinois U.S.A.
  • 3123550336 | +1 312-355-0336 Illinois U.S.A.
  • 3123550337 | +1 312-355-0337 Illinois U.S.A.
  • 3123550338 | +1 312-355-0338 Illinois U.S.A.
  • 3123550339 | +1 312-355-0339 Illinois U.S.A.
  • 3123550340 | +1 312-355-0340 Illinois U.S.A.
  • 3123550341 | +1 312-355-0341 Illinois U.S.A.
  • 3123550342 | +1 312-355-0342 Illinois U.S.A.
  • 3123550343 | +1 312-355-0343 Illinois U.S.A.
  • 3123550344 | +1 312-355-0344 Illinois U.S.A.
  • 3123550345 | +1 312-355-0345 Illinois U.S.A.
  • 3123550346 | +1 312-355-0346 Illinois U.S.A.
  • 3123550347 | +1 312-355-0347 Illinois U.S.A.
  • 3123550348 | +1 312-355-0348 Illinois U.S.A.
  • 3123550349 | +1 312-355-0349 Illinois U.S.A.
  • 3123550350 | +1 312-355-0350 Illinois U.S.A.
  • 3123550351 | +1 312-355-0351 Illinois U.S.A.
  • 3123550352 | +1 312-355-0352 Illinois U.S.A.
  • 3123550353 | +1 312-355-0353 Illinois U.S.A.
  • 3123550354 | +1 312-355-0354 Illinois U.S.A.
  • 3123550355 | +1 312-355-0355 Illinois U.S.A.
  • 3123550356 | +1 312-355-0356 Illinois U.S.A.
  • 3123550357 | +1 312-355-0357 Illinois U.S.A.
  • 3123550358 | +1 312-355-0358 Illinois U.S.A.
  • 3123550359 | +1 312-355-0359 Illinois U.S.A.
  • 3123550360 | +1 312-355-0360 Illinois U.S.A.
  • 3123550361 | +1 312-355-0361 Illinois U.S.A.
  • 3123550362 | +1 312-355-0362 Illinois U.S.A.
  • 3123550363 | +1 312-355-0363 Illinois U.S.A.
  • 3123550364 | +1 312-355-0364 Illinois U.S.A.
  • 3123550365 | +1 312-355-0365 Illinois U.S.A.
  • 3123550366 | +1 312-355-0366 Illinois U.S.A.
  • 3123550367 | +1 312-355-0367 Illinois U.S.A.
  • 3123550368 | +1 312-355-0368 Illinois U.S.A.
  • 3123550369 | +1 312-355-0369 Illinois U.S.A.
  • 3123550370 | +1 312-355-0370 Illinois U.S.A.
  • 3123550371 | +1 312-355-0371 Illinois U.S.A.
  • 3123550372 | +1 312-355-0372 Illinois U.S.A.
  • 3123550373 | +1 312-355-0373 Illinois U.S.A.
  • 3123550374 | +1 312-355-0374 Illinois U.S.A.
  • 3123550375 | +1 312-355-0375 Illinois U.S.A.
  • 3123550376 | +1 312-355-0376 Illinois U.S.A.
  • 3123550377 | +1 312-355-0377 Illinois U.S.A.
  • 3123550378 | +1 312-355-0378 Illinois U.S.A.
  • 3123550379 | +1 312-355-0379 Illinois U.S.A.
  • 3123550380 | +1 312-355-0380 Illinois U.S.A.
  • 3123550381 | +1 312-355-0381 Illinois U.S.A.
  • 3123550382 | +1 312-355-0382 Illinois U.S.A.
  • 3123550383 | +1 312-355-0383 Illinois U.S.A.
  • 3123550384 | +1 312-355-0384 Illinois U.S.A.
  • 3123550385 | +1 312-355-0385 Illinois U.S.A.
  • 3123550386 | +1 312-355-0386 Illinois U.S.A.
  • 3123550387 | +1 312-355-0387 Illinois U.S.A.
  • 3123550388 | +1 312-355-0388 Illinois U.S.A.
  • 3123550389 | +1 312-355-0389 Illinois U.S.A.
  • 3123550390 | +1 312-355-0390 Illinois U.S.A.
  • 3123550391 | +1 312-355-0391 Illinois U.S.A.
  • 3123550392 | +1 312-355-0392 Illinois U.S.A.
  • 3123550393 | +1 312-355-0393 Illinois U.S.A.
  • 3123550394 | +1 312-355-0394 Illinois U.S.A.
  • 3123550395 | +1 312-355-0395 Illinois U.S.A.
  • 3123550396 | +1 312-355-0396 Illinois U.S.A.
  • 3123550397 | +1 312-355-0397 Illinois U.S.A.
  • 3123550398 | +1 312-355-0398 Illinois U.S.A.
  • 3123550399 | +1 312-355-0399 Illinois U.S.A.