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.

3128215003 3128215008 3128215002 3128215007 3128215000 3128215005 3128215009 3128215004 3128215001 3128215006 3128215013 3128215018 3128215012 3128215017 3128215010 3128215015 3128215019 3128215014 3128215011 3128215016 3128215023 3128215028 3128215022 3128215027 3128215020 3128215025 3128215029 3128215024 3128215021 3128215026 3128215033 3128215038 3128215032 3128215037 3128215030 3128215035 3128215039 3128215034 3128215031 3128215036 3128215043 3128215048 3128215042 3128215047 3128215040 3128215045 3128215049 3128215044 3128215041 3128215046 3128215053 3128215058 3128215052 3128215057 3128215050 3128215055 3128215059 3128215054 3128215051 3128215056 3128215063 3128215068 3128215062 3128215067 3128215060 3128215065 3128215069 3128215064 3128215061 3128215066 3128215073 3128215078 3128215072 3128215077 3128215070 3128215075 3128215079 3128215074 3128215071 3128215076 3128215083 3128215088 3128215082 3128215087 3128215080 3128215085 3128215089 3128215084 3128215081 3128215086 3128215093 3128215098 3128215092 3128215097 3128215090 3128215095 3128215099 3128215094 3128215091 3128215096 3128215103 3128215108 3128215102 3128215107 3128215100 3128215105 3128215109 3128215104 3128215101 3128215106 3128215113 3128215118 3128215112 3128215117 3128215110 3128215115 3128215119 3128215114 3128215111 3128215116 3128215123 3128215128 3128215122 3128215127 3128215120 3128215125 3128215129 3128215124 3128215121 3128215126 3128215133 3128215138 3128215132 3128215137 3128215130 3128215135 3128215139 3128215134 3128215131 3128215136 3128215143 3128215148 3128215142 3128215147 3128215140 3128215145 3128215149 3128215144 3128215141 3128215146 3128215153 3128215158 3128215152 3128215157 3128215150 3128215155 3128215159 3128215154 3128215151 3128215156 3128215163 3128215168 3128215162 3128215167 3128215160 3128215165 3128215169 3128215164 3128215161 3128215166 3128215173 3128215178 3128215172 3128215177 3128215170 3128215175 3128215179 3128215174 3128215171 3128215176 3128215183 3128215188 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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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