Lookup Area Code 312, Central Office & Exchange Code 437

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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.

312437 is phone number first 6-digit, in the full phone number 312437xxxx, 312 is the Area Code, 437 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) 437-

Primary City: Chicago, IL

Owned Company: United States Cellular Corp. - Illinois

County: Cook

Owned Type: Cell Number

Owned Carrier: United States Cellular Corp. - Illinois

Counties: Cook County

Full Zip Code: 60607 (67%), 60622 (33%)

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 437

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How do you know Phone Lookuper?

312437 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, 312437-xxxx, 312 is the area code, 437 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)437-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3124373003 3124373008 3124373002 3124373007 3124373000 3124373005 3124373009 3124373004 3124373001 3124373006 3124373013 3124373018 3124373012 3124373017 3124373010 3124373015 3124373019 3124373014 3124373011 3124373016 3124373023 3124373028 3124373022 3124373027 3124373020 3124373025 3124373029 3124373024 3124373021 3124373026 3124373033 3124373038 3124373032 3124373037 3124373030 3124373035 3124373039 3124373034 3124373031 3124373036 3124373043 3124373048 3124373042 3124373047 3124373040 3124373045 3124373049 3124373044 3124373041 3124373046 3124373053 3124373058 3124373052 3124373057 3124373050 3124373055 3124373059 3124373054 3124373051 3124373056 3124373063 3124373068 3124373062 3124373067 3124373060 3124373065 3124373069 3124373064 3124373061 3124373066 3124373073 3124373078 3124373072 3124373077 3124373070 3124373075 3124373079 3124373074 3124373071 3124373076 3124373083 3124373088 3124373082 3124373087 3124373080 3124373085 3124373089 3124373084 3124373081 3124373086 3124373093 3124373098 3124373092 3124373097 3124373090 3124373095 3124373099 3124373094 3124373091 3124373096 3124373103 3124373108 3124373102 3124373107 3124373100 3124373105 3124373109 3124373104 3124373101 3124373106 3124373113 3124373118 3124373112 3124373117 3124373110 3124373115 3124373119 3124373114 3124373111 3124373116 3124373123 3124373128 3124373122 3124373127 3124373120 3124373125 3124373129 3124373124 3124373121 3124373126 3124373133 3124373138 3124373132 3124373137 3124373130 3124373135 3124373139 3124373134 3124373131 3124373136 3124373143 3124373148 3124373142 3124373147 3124373140 3124373145 3124373149 3124373144 3124373141 3124373146 3124373153 3124373158 3124373152 3124373157 3124373150 3124373155 3124373159 3124373154 3124373151 3124373156 3124373163 3124373168 3124373162 3124373167 3124373160 3124373165 3124373169 3124373164 3124373161 3124373166 3124373173 3124373178 3124373172 3124373177 3124373170 3124373175 3124373179 3124373174 3124373171 3124373176 3124373183 3124373188 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Above active phone number (312)437-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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