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.

3128214003 3128214008 3128214002 3128214007 3128214000 3128214005 3128214009 3128214004 3128214001 3128214006 3128214013 3128214018 3128214012 3128214017 3128214010 3128214015 3128214019 3128214014 3128214011 3128214016 3128214023 3128214028 3128214022 3128214027 3128214020 3128214025 3128214029 3128214024 3128214021 3128214026 3128214033 3128214038 3128214032 3128214037 3128214030 3128214035 3128214039 3128214034 3128214031 3128214036 3128214043 3128214048 3128214042 3128214047 3128214040 3128214045 3128214049 3128214044 3128214041 3128214046 3128214053 3128214058 3128214052 3128214057 3128214050 3128214055 3128214059 3128214054 3128214051 3128214056 3128214063 3128214068 3128214062 3128214067 3128214060 3128214065 3128214069 3128214064 3128214061 3128214066 3128214073 3128214078 3128214072 3128214077 3128214070 3128214075 3128214079 3128214074 3128214071 3128214076 3128214083 3128214088 3128214082 3128214087 3128214080 3128214085 3128214089 3128214084 3128214081 3128214086 3128214093 3128214098 3128214092 3128214097 3128214090 3128214095 3128214099 3128214094 3128214091 3128214096 3128214103 3128214108 3128214102 3128214107 3128214100 3128214105 3128214109 3128214104 3128214101 3128214106 3128214113 3128214118 3128214112 3128214117 3128214110 3128214115 3128214119 3128214114 3128214111 3128214116 3128214123 3128214128 3128214122 3128214127 3128214120 3128214125 3128214129 3128214124 3128214121 3128214126 3128214133 3128214138 3128214132 3128214137 3128214130 3128214135 3128214139 3128214134 3128214131 3128214136 3128214143 3128214148 3128214142 3128214147 3128214140 3128214145 3128214149 3128214144 3128214141 3128214146 3128214153 3128214158 3128214152 3128214157 3128214150 3128214155 3128214159 3128214154 3128214151 3128214156 3128214163 3128214168 3128214162 3128214167 3128214160 3128214165 3128214169 3128214164 3128214161 3128214166 3128214173 3128214178 3128214172 3128214177 3128214170 3128214175 3128214179 3128214174 3128214171 3128214176 3128214183 3128214188 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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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