Lookup Area Code 312, Central Office & Exchange Code 231

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.

312231 is phone number first 6-digit, in the full phone number 312231xxxx, 312 is the Area Code, 231 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) 231-

Primary City: Roselle, IL

Owned Company: New Cingular Wireless PCS

County: Du Page

Owned Type: Cell Number

Owned Carrier: New Cingular Wireless PCS, LLC - IL

Counties: Du Page County

Full Zip Code: 60622 (100%)

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

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312231 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, 312231-xxxx, 312 is the area code, 231 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)231-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3122313003 3122313008 3122313002 3122313007 3122313000 3122313005 3122313009 3122313004 3122313001 3122313006 3122313013 3122313018 3122313012 3122313017 3122313010 3122313015 3122313019 3122313014 3122313011 3122313016 3122313023 3122313028 3122313022 3122313027 3122313020 3122313025 3122313029 3122313024 3122313021 3122313026 3122313033 3122313038 3122313032 3122313037 3122313030 3122313035 3122313039 3122313034 3122313031 3122313036 3122313043 3122313048 3122313042 3122313047 3122313040 3122313045 3122313049 3122313044 3122313041 3122313046 3122313053 3122313058 3122313052 3122313057 3122313050 3122313055 3122313059 3122313054 3122313051 3122313056 3122313063 3122313068 3122313062 3122313067 3122313060 3122313065 3122313069 3122313064 3122313061 3122313066 3122313073 3122313078 3122313072 3122313077 3122313070 3122313075 3122313079 3122313074 3122313071 3122313076 3122313083 3122313088 3122313082 3122313087 3122313080 3122313085 3122313089 3122313084 3122313081 3122313086 3122313093 3122313098 3122313092 3122313097 3122313090 3122313095 3122313099 3122313094 3122313091 3122313096 3122313103 3122313108 3122313102 3122313107 3122313100 3122313105 3122313109 3122313104 3122313101 3122313106 3122313113 3122313118 3122313112 3122313117 3122313110 3122313115 3122313119 3122313114 3122313111 3122313116 3122313123 3122313128 3122313122 3122313127 3122313120 3122313125 3122313129 3122313124 3122313121 3122313126 3122313133 3122313138 3122313132 3122313137 3122313130 3122313135 3122313139 3122313134 3122313131 3122313136 3122313143 3122313148 3122313142 3122313147 3122313140 3122313145 3122313149 3122313144 3122313141 3122313146 3122313153 3122313158 3122313152 3122313157 3122313150 3122313155 3122313159 3122313154 3122313151 3122313156 3122313163 3122313168 3122313162 3122313167 3122313160 3122313165 3122313169 3122313164 3122313161 3122313166 3122313173 3122313178 3122313172 3122313177 3122313170 3122313175 3122313179 3122313174 3122313171 3122313176 3122313183 3122313188 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Above active phone number (312)231-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.