Home / 312
Area Code:312
Country:United States
State/Province:Illinois
Major City:Chicago
Time Zone:Central (UTC-06:00)
312 is a phone number area code located in the city of Chicago in Illinois. Here you can find all details and phone numbers on this area code.
Active Prefixes in Area Code 312
Prefix Primary City Usage Company
312-201-XXXX Chicago Landline AMERITECH ILLINOIS
312-202-XXXX Chicago Landline AMERITECH ILLINOIS
312-203-XXXX Chicago Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-204-XXXX Chicago Landline AMERITECH ILLINOIS
312-205-XXXX Chicago Landline ALLEGIANCE TELECOM, INC. - IL
312-206-XXXX Chicago Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-207-XXXX Chicago Landline AMERITECH ILLINOIS
312-208-XXXX Chicago Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-209-XXXX Glenview Wireless CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
312-212-XXXX Chicago Landline AMERITECH ILLINOIS
312-213-XXXX Chicago Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-214-XXXX Chicago Landline AMERITECH ILLINOIS
312-215-XXXX Prospect Heights Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-216-XXXX Chicago Landline FIRST COMMUNICATIONS LLC - IL
312-217-XXXX Chicago Wireless SPRINT SPECTRUM L.P.
312-218-XXXX Chicago Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-219-XXXX Chicago Wireless BANDWIDTH.COM CLEC, LLC - IL
312-220-XXXX Chicago Landline AMERITECH ILLINOIS
312-221-XXXX Chicago Wireless SPRINT SPECTRUM L.P.
312-222-XXXX Chicago Landline AMERITECH ILLINOIS
312-223-XXXX Chicago Landline AMERITECH ILLINOIS
312-224-XXXX Chicago Landline BROADWING COMMUNICATIONS, LLC - IL
312-225-XXXX Chicago Landline AMERITECH ILLINOIS
312-226-XXXX Chicago Landline AMERITECH ILLINOIS
312-227-XXXX Chicago Landline AMERITECH ILLINOIS
312-228-XXXX Chicago Landline AMERITECH ILLINOIS
312-229-XXXX Chicago Landline AMERITECH ILLINOIS
312-230-XXXX Chicago Landline AMERITECH ILLINOIS
312-231-XXXX Medinah Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-232-XXXX Chicago Wireless AMERICAN MESSAGING SERVICES, LLC
312-233-XXXX Chicago Landline AMERITECH ILLINOIS
312-234-XXXX Chicago Landline AMERITECH ILLINOIS
312-235-XXXX Chicago Landline AMERITECH ILLINOIS
312-236-XXXX Chicago Landline AMERITECH ILLINOIS
312-237-XXXX Chicago Wireless CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL
312-238-XXXX Chicago Landline BROADWING COMMUNICATIONS, LLC - IL
312-239-XXXX Chicago Landline AT&T LOCAL
312-240-XXXX Chicago Landline AMERITECH ILLINOIS
312-241-XXXX Chicago Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-242-XXXX Chicago Landline TELEPORT COMMUNICATIONS AMERICA, LLC - IL
312-243-XXXX Chicago Landline AMERITECH ILLINOIS
312-244-XXXX Chicago Landline AMERITECH ILLINOIS
312-245-XXXX Chicago Landline AMERITECH ILLINOIS
312-246-XXXX Prospect Heights Wireless NEW CINGULAR WIRELESS PCS, LLC - IL
312-247-XXXX Chicago Landline FIRST COMMUNICATIONS LLC - IL
312-248-XXXX Chicago Wireless METRO PCS, INC.
312-249-XXXX Chicago Wireless USA MOBILITY WIRELESS, INC.
312-250-XXXX Chicago Wireless USA MOBILITY WIRELESS, INC.
312-251-XXXX Chicago Landline AMERITECH ILLINOIS
312-252-XXXX Chicago Landline ALLEGIANCE TELECOM, INC. - IL



Recent Comments

  • Angela Herron
    2020-02-18 07:23:33
    Call type:
    Rating: -1

    Please investigate this number. I've had several unwanted calls beginning with prefix 203. There is dead silence and will not identify themselves if you call from another line.

  • Business
    2020-02-18 04:15:49
    Call type:
    Rating: 0

    Credit Card processing company

  • Bee
    2020-02-18 02:36:11
    Call type:
    Rating: 0

    Called my number n were very defensive to being asked who they were

  • Bort
    2020-02-17 21:39:33
    Call type:
    Rating: -4

    Begging for money for some fake cause or another

  • Sarah
    2020-02-17 19:38:22
    Call type:
    Rating: -5

    Call came through. First silence, then "call recorded..." script given. Asked for me by name. I hung up. Pretty sure it's a debt collector.

  • Dahlia
    2020-02-16 10:37:46
    Call type:
    Rating: 5

    Pretend sugar mama

  • Pj
    2020-02-16 03:39:49
    Call type:
    Rating: -1

    Got a text and It Said they wanted to use an as a secret shopper and will pay 500.00 per task. They gave me a link to click on.

  • MJ
    2020-02-14 17:51:30
    Call type:
    Rating: -5

    They Leave very aggressive vms

  • Dragon
    2020-02-14 07:06:50
    Call type:
    Rating: -3

    Frequently calling me, but I don’t know this number

  • Christopher Brown
    2020-02-14 05:32:34
    Call type:
    Rating: 0

    These people who ever they are they send fake check to get into ur bank account and steal money they need to be put in jail

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