Lookup Area Code 312, Central Office & Exchange Code 821

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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.

312821 is phone number first 6-digit, in the full phone number 312821xxxx, 312 is the Area Code, 821 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) 821-

Primary City: Chicago, IL

Owned Company: Mci Worldcom Communications

County: Cook

Owned Type: Landline

Owned Carrier: Mci Worldcom Communications, Inc. - IL

Counties: Cook County

Full Zip Code: 60607 (50%), 60628 (50%)

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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312821 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, 312821-xxxx, 312 is the area code, 821 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)821-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3128216003 3128216008 3128216002 3128216007 3128216000 3128216005 3128216009 3128216004 3128216001 3128216006 3128216013 3128216018 3128216012 3128216017 3128216010 3128216015 3128216019 3128216014 3128216011 3128216016 3128216023 3128216028 3128216022 3128216027 3128216020 3128216025 3128216029 3128216024 3128216021 3128216026 3128216033 3128216038 3128216032 3128216037 3128216030 3128216035 3128216039 3128216034 3128216031 3128216036 3128216043 3128216048 3128216042 3128216047 3128216040 3128216045 3128216049 3128216044 3128216041 3128216046 3128216053 3128216058 3128216052 3128216057 3128216050 3128216055 3128216059 3128216054 3128216051 3128216056 3128216063 3128216068 3128216062 3128216067 3128216060 3128216065 3128216069 3128216064 3128216061 3128216066 3128216073 3128216078 3128216072 3128216077 3128216070 3128216075 3128216079 3128216074 3128216071 3128216076 3128216083 3128216088 3128216082 3128216087 3128216080 3128216085 3128216089 3128216084 3128216081 3128216086 3128216093 3128216098 3128216092 3128216097 3128216090 3128216095 3128216099 3128216094 3128216091 3128216096 3128216103 3128216108 3128216102 3128216107 3128216100 3128216105 3128216109 3128216104 3128216101 3128216106 3128216113 3128216118 3128216112 3128216117 3128216110 3128216115 3128216119 3128216114 3128216111 3128216116 3128216123 3128216128 3128216122 3128216127 3128216120 3128216125 3128216129 3128216124 3128216121 3128216126 3128216133 3128216138 3128216132 3128216137 3128216130 3128216135 3128216139 3128216134 3128216131 3128216136 3128216143 3128216148 3128216142 3128216147 3128216140 3128216145 3128216149 3128216144 3128216141 3128216146 3128216153 3128216158 3128216152 3128216157 3128216150 3128216155 3128216159 3128216154 3128216151 3128216156 3128216163 3128216168 3128216162 3128216167 3128216160 3128216165 3128216169 3128216164 3128216161 3128216166 3128216173 3128216178 3128216172 3128216177 3128216170 3128216175 3128216179 3128216174 3128216171 3128216176 3128216183 3128216188 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Above active phone number (312)821-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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