- City / exchange
- Chicgozn01
- Province / state
- Illinois
- Country
- United States
- Carrier
- Illinois Bell Tel Co
- Line type
- Landline or business line
- OCN
- 9329
- Status
- In Service
- Assigned
- 07/21/2008
- Number pooling
- Yes (block shared between carriers)
312-921 phone numbers
Chicgozn01, Illinois, United States · Illinois Bell Tel Co
Reported numbers in 312-921
No numbers in this block have been reported by visitors yet.
What does the 312-921 prefix tell you?
Every North American number is area code + prefix + line. The prefix 312-921 was assigned to Illinois Bell Tel Co on 07/21/2008 for the Chicgozn01 exchange. A call from this block usually originates from a Illinois Bell Tel Co customer in or near Chicgozn01, but caller ID can be spoofed to show any number.
Other Chicgozn01 prefixes in 312
312-200312-201312-202312-203312-204312-205312-206312-207312-208312-210312-212312-213312-214312-216312-217312-218312-219312-220312-221312-222312-223312-224312-225312-226312-227312-228312-229312-230312-232312-233312-234312-235312-236312-237312-238312-239312-240312-241312-242312-243312-244312-245312-247312-248312-249312-250312-251312-252312-253312-254312-255312-256312-257312-258312-259312-260312-261312-262312-263312-264