Lookup Area Code 312, Central Office & Exchange Code 904

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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.

312904 is phone number first 6-digit, in the full phone number 312904xxxx, 312 is the Area Code, 904 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) 904-

Primary City: Chicago, IL

Owned Company: Ameritech Illinois

County: Cook

Owned Type: Landline

Owned Carrier: Ameritech Illinois

Counties: Cook County

Full Zip Code: 60603 (57%), 60606 (14%), 60610 (14%), 60661 (14%)

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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Submit a survey statistics service about area code 312, Central Office & Exchange Code 904

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312904 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, 312904-xxxx, 312 is the area code, 904 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)904-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3129044003 3129044008 3129044002 3129044007 3129044000 3129044005 3129044009 3129044004 3129044001 3129044006 3129044013 3129044018 3129044012 3129044017 3129044010 3129044015 3129044019 3129044014 3129044011 3129044016 3129044023 3129044028 3129044022 3129044027 3129044020 3129044025 3129044029 3129044024 3129044021 3129044026 3129044033 3129044038 3129044032 3129044037 3129044030 3129044035 3129044039 3129044034 3129044031 3129044036 3129044043 3129044048 3129044042 3129044047 3129044040 3129044045 3129044049 3129044044 3129044041 3129044046 3129044053 3129044058 3129044052 3129044057 3129044050 3129044055 3129044059 3129044054 3129044051 3129044056 3129044063 3129044068 3129044062 3129044067 3129044060 3129044065 3129044069 3129044064 3129044061 3129044066 3129044073 3129044078 3129044072 3129044077 3129044070 3129044075 3129044079 3129044074 3129044071 3129044076 3129044083 3129044088 3129044082 3129044087 3129044080 3129044085 3129044089 3129044084 3129044081 3129044086 3129044093 3129044098 3129044092 3129044097 3129044090 3129044095 3129044099 3129044094 3129044091 3129044096 3129044103 3129044108 3129044102 3129044107 3129044100 3129044105 3129044109 3129044104 3129044101 3129044106 3129044113 3129044118 3129044112 3129044117 3129044110 3129044115 3129044119 3129044114 3129044111 3129044116 3129044123 3129044128 3129044122 3129044127 3129044120 3129044125 3129044129 3129044124 3129044121 3129044126 3129044133 3129044138 3129044132 3129044137 3129044130 3129044135 3129044139 3129044134 3129044131 3129044136 3129044143 3129044148 3129044142 3129044147 3129044140 3129044145 3129044149 3129044144 3129044141 3129044146 3129044153 3129044158 3129044152 3129044157 3129044150 3129044155 3129044159 3129044154 3129044151 3129044156 3129044163 3129044168 3129044162 3129044167 3129044160 3129044165 3129044169 3129044164 3129044161 3129044166 3129044173 3129044178 3129044172 3129044177 3129044170 3129044175 3129044179 3129044174 3129044171 3129044176 3129044183 3129044188 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Above active phone number (312)904-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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