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).

  • 3129888300 | +1 312-988-8300 Illinois U.S.A.
  • 3129888301 | +1 312-988-8301 Illinois U.S.A.
  • 3129888302 | +1 312-988-8302 Illinois U.S.A.
  • 3129888303 | +1 312-988-8303 Illinois U.S.A.
  • 3129888304 | +1 312-988-8304 Illinois U.S.A.
  • 3129888305 | +1 312-988-8305 Illinois U.S.A.
  • 3129888306 | +1 312-988-8306 Illinois U.S.A.
  • 3129888307 | +1 312-988-8307 Illinois U.S.A.
  • 3129888308 | +1 312-988-8308 Illinois U.S.A.
  • 3129888309 | +1 312-988-8309 Illinois U.S.A.
  • 3129888310 | +1 312-988-8310 Illinois U.S.A.
  • 3129888311 | +1 312-988-8311 Illinois U.S.A.
  • 3129888312 | +1 312-988-8312 Illinois U.S.A.
  • 3129888313 | +1 312-988-8313 Illinois U.S.A.
  • 3129888314 | +1 312-988-8314 Illinois U.S.A.
  • 3129888315 | +1 312-988-8315 Illinois U.S.A.
  • 3129888316 | +1 312-988-8316 Illinois U.S.A.
  • 3129888317 | +1 312-988-8317 Illinois U.S.A.
  • 3129888318 | +1 312-988-8318 Illinois U.S.A.
  • 3129888319 | +1 312-988-8319 Illinois U.S.A.
  • 3129888320 | +1 312-988-8320 Illinois U.S.A.
  • 3129888321 | +1 312-988-8321 Illinois U.S.A.
  • 3129888322 | +1 312-988-8322 Illinois U.S.A.
  • 3129888323 | +1 312-988-8323 Illinois U.S.A.
  • 3129888324 | +1 312-988-8324 Illinois U.S.A.
  • 3129888325 | +1 312-988-8325 Illinois U.S.A.
  • 3129888326 | +1 312-988-8326 Illinois U.S.A.
  • 3129888327 | +1 312-988-8327 Illinois U.S.A.
  • 3129888328 | +1 312-988-8328 Illinois U.S.A.
  • 3129888329 | +1 312-988-8329 Illinois U.S.A.
  • 3129888330 | +1 312-988-8330 Illinois U.S.A.
  • 3129888331 | +1 312-988-8331 Illinois U.S.A.
  • 3129888332 | +1 312-988-8332 Illinois U.S.A.
  • 3129888333 | +1 312-988-8333 Illinois U.S.A.
  • 3129888334 | +1 312-988-8334 Illinois U.S.A.
  • 3129888335 | +1 312-988-8335 Illinois U.S.A.
  • 3129888336 | +1 312-988-8336 Illinois U.S.A.
  • 3129888337 | +1 312-988-8337 Illinois U.S.A.
  • 3129888338 | +1 312-988-8338 Illinois U.S.A.
  • 3129888339 | +1 312-988-8339 Illinois U.S.A.
  • 3129888340 | +1 312-988-8340 Illinois U.S.A.
  • 3129888341 | +1 312-988-8341 Illinois U.S.A.
  • 3129888342 | +1 312-988-8342 Illinois U.S.A.
  • 3129888343 | +1 312-988-8343 Illinois U.S.A.
  • 3129888344 | +1 312-988-8344 Illinois U.S.A.
  • 3129888345 | +1 312-988-8345 Illinois U.S.A.
  • 3129888346 | +1 312-988-8346 Illinois U.S.A.
  • 3129888347 | +1 312-988-8347 Illinois U.S.A.
  • 3129888348 | +1 312-988-8348 Illinois U.S.A.
  • 3129888349 | +1 312-988-8349 Illinois U.S.A.
  • 3129888350 | +1 312-988-8350 Illinois U.S.A.
  • 3129888351 | +1 312-988-8351 Illinois U.S.A.
  • 3129888352 | +1 312-988-8352 Illinois U.S.A.
  • 3129888353 | +1 312-988-8353 Illinois U.S.A.
  • 3129888354 | +1 312-988-8354 Illinois U.S.A.
  • 3129888355 | +1 312-988-8355 Illinois U.S.A.
  • 3129888356 | +1 312-988-8356 Illinois U.S.A.
  • 3129888357 | +1 312-988-8357 Illinois U.S.A.
  • 3129888358 | +1 312-988-8358 Illinois U.S.A.
  • 3129888359 | +1 312-988-8359 Illinois U.S.A.
  • 3129888360 | +1 312-988-8360 Illinois U.S.A.
  • 3129888361 | +1 312-988-8361 Illinois U.S.A.
  • 3129888362 | +1 312-988-8362 Illinois U.S.A.
  • 3129888363 | +1 312-988-8363 Illinois U.S.A.
  • 3129888364 | +1 312-988-8364 Illinois U.S.A.
  • 3129888365 | +1 312-988-8365 Illinois U.S.A.
  • 3129888366 | +1 312-988-8366 Illinois U.S.A.
  • 3129888367 | +1 312-988-8367 Illinois U.S.A.
  • 3129888368 | +1 312-988-8368 Illinois U.S.A.
  • 3129888369 | +1 312-988-8369 Illinois U.S.A.
  • 3129888370 | +1 312-988-8370 Illinois U.S.A.
  • 3129888371 | +1 312-988-8371 Illinois U.S.A.
  • 3129888372 | +1 312-988-8372 Illinois U.S.A.
  • 3129888373 | +1 312-988-8373 Illinois U.S.A.
  • 3129888374 | +1 312-988-8374 Illinois U.S.A.
  • 3129888375 | +1 312-988-8375 Illinois U.S.A.
  • 3129888376 | +1 312-988-8376 Illinois U.S.A.
  • 3129888377 | +1 312-988-8377 Illinois U.S.A.
  • 3129888378 | +1 312-988-8378 Illinois U.S.A.
  • 3129888379 | +1 312-988-8379 Illinois U.S.A.
  • 3129888380 | +1 312-988-8380 Illinois U.S.A.
  • 3129888381 | +1 312-988-8381 Illinois U.S.A.
  • 3129888382 | +1 312-988-8382 Illinois U.S.A.
  • 3129888383 | +1 312-988-8383 Illinois U.S.A.
  • 3129888384 | +1 312-988-8384 Illinois U.S.A.
  • 3129888385 | +1 312-988-8385 Illinois U.S.A.
  • 3129888386 | +1 312-988-8386 Illinois U.S.A.
  • 3129888387 | +1 312-988-8387 Illinois U.S.A.
  • 3129888388 | +1 312-988-8388 Illinois U.S.A.
  • 3129888389 | +1 312-988-8389 Illinois U.S.A.
  • 3129888390 | +1 312-988-8390 Illinois U.S.A.
  • 3129888391 | +1 312-988-8391 Illinois U.S.A.
  • 3129888392 | +1 312-988-8392 Illinois U.S.A.
  • 3129888393 | +1 312-988-8393 Illinois U.S.A.
  • 3129888394 | +1 312-988-8394 Illinois U.S.A.
  • 3129888395 | +1 312-988-8395 Illinois U.S.A.
  • 3129888396 | +1 312-988-8396 Illinois U.S.A.
  • 3129888397 | +1 312-988-8397 Illinois U.S.A.
  • 3129888398 | +1 312-988-8398 Illinois U.S.A.
  • 3129888399 | +1 312-988-8399 Illinois U.S.A.