Area Code 312

312 is the North American Telephone Area Code For Illinois in United States.
District of Illinois area codes: 312
Country United States
State/Province Illinois
Major City Chicago
Time Zone Central (UTC-06:00)

Phone directory with area code 312

Prefix County Primary City Company
312-201 Cook Chicago, IL Ameritech Illinois
312-202 Cook Chicago, IL Ameritech Illinois
312-203 Cook Chicago, IL New Cingular Wireless PCS
312-204 Cook Chicago, IL Ameritech Illinois
312-205 Cook Chicago, IL Allegiance Telecom
312-206 Cook Chicago, IL New Cingular Wireless PCS
312-207 Cook Chicago, IL Ameritech Illinois
312-208 Cook Chicago, IL New Cingular Wireless PCS
312-209 Cook Northbrook, IL Cellco Partnership DBA Verizon Wireless
312-212 Cook Chicago, IL Ameritech Illinois
312-213 Cook Chicago, IL New Cingular Wireless PCS
312-214 Cook Chicago, IL Ameritech Illinois
312-215 Cook Wheeling, IL New Cingular Wireless PCS
312-216 Cook Chicago, IL First Communications LLC
312-217 Cook Chicago, IL United States Cellular Corp. - Illinois
312-218 Cook Chicago, IL New Cingular Wireless PCS
312-219 Cook Chicago, IL Bandwidth.com Clec
312-220 Cook Chicago, IL Ameritech Illinois
312-221 Cook Chicago, IL Sprint Spectrum L.p.
312-222 Cook Chicago, IL Ameritech Illinois
1 2 3 4 5 6 7 8 9 10 ... 35 36 ››

Share The information

Use Facebook, Twitter, Google+ to share the phone number 's informatons.

There are 701 prefixes, In the code area, the major cities are Chicago, IL. The major city is Chicago.

Phone Numbers Generator
203-856-4312, Norwalk, CT, United States
218-935-2212, Bejou, MN, United States
304-758-2901, Middlebourne, WV, United States
308-452-7421, Ravenna, NE, United States
319-528-9065, Wever, IA, United States
403-893-0873, Elkwater, AB, Canada
406-777-7951, Stevensville, MT, United States
407-753-0207, Apopka, FL, United States
415-781-8615, San Francisco, CA, United States
507-396-4161, Austin, MN, United States
619-554-1729, San Diego, CA, United States
661-855-0840, Arvin, CA, United States
681-535-1886, Auburn, WV, United States
713-876-6331, Houston, TX, United States
781-945-0533, Lexington, MA, United States
843-309-3527, Hartsville, SC, United States
949-852-0741, Irvine, CA, United States
951-729-2165, Arlington, CA, United States
954-337-3730, Fort Lauderdale, FL, United States
973-882-9893, Caldwell, NJ, United States