Lookup Area Code 312, Central Office & Exchange Code 578

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The area code indicates the regional location of the phone number. According to NANP, there are 405 area codes in North America.

Of these, 326 are in the US, 42 are in Canada, 17 are non-geographic virtual number, and 20 are others(mostly Caribbean).

The number of area codes is different for each area, in the future, the area with the most phone number users will have more area codes.

312578 is phone number first 6-digit, in the full phone number 312578xxxx, 312 is the Area Code, 578 is the Central Office & Exchange Code, xxxx is the subscriber number.

All North American phone numbers are in a three-part format.

Determine the phone number format, it can accurately lookup phone number information.

According to area code 312, determine the regional location

State: Illinois

Region: Illinois

Center City: Chicago

Area Code: 312 Area Code

State: Illinois

Center City: Chicago

Phone Used: (312) 578-

Primary City: Chicago, IL

Owned Company: Ameritech Illinois

County: Cook

Owned Type: Landline

Owned Carrier: Ameritech Illinois

Counties: Cook County

Full Zip Code: 60654, 60661

State & Region & County & City & Location map with Area Code

Too many area codes, map size limit, all area codes may not be displayed, only major area codes.

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312578 is the first 6-digit of the phone number, it can only lookup the regional location.

Lookup a phone number, the number must be complete. The full phone number is 10-digit, 312578-xxxx, 312 is the area code, 578 is the central office number, telephone exchange code, the last four digits, xxxx is the subscriber number, real phone users number.

Below is the complete, (312)578-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3125780003 3125780008 3125780002 3125780007 3125780000 3125780005 3125780009 3125780004 3125780001 3125780006 3125780013 3125780018 3125780012 3125780017 3125780010 3125780015 3125780019 3125780014 3125780011 3125780016 3125780023 3125780028 3125780022 3125780027 3125780020 3125780025 3125780029 3125780024 3125780021 3125780026 3125780033 3125780038 3125780032 3125780037 3125780030 3125780035 3125780039 3125780034 3125780031 3125780036 3125780043 3125780048 3125780042 3125780047 3125780040 3125780045 3125780049 3125780044 3125780041 3125780046 3125780053 3125780058 3125780052 3125780057 3125780050 3125780055 3125780059 3125780054 3125780051 3125780056 3125780063 3125780068 3125780062 3125780067 3125780060 3125780065 3125780069 3125780064 3125780061 3125780066 3125780073 3125780078 3125780072 3125780077 3125780070 3125780075 3125780079 3125780074 3125780071 3125780076 3125780083 3125780088 3125780082 3125780087 3125780080 3125780085 3125780089 3125780084 3125780081 3125780086 3125780093 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Above active phone number (312)578-xxxx list, from the telephone operator number database. Phone Lookuper does not provide number identification services. If you have any questions about this information, welcome to contact us.


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