Lookup Area Code 312, Central Office & Exchange Code 251

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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.

312251 is phone number first 6-digit, in the full phone number 312251xxxx, 312 is the Area Code, 251 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) 251-

Primary City: Chicago, IL

Owned Company: Ameritech Illinois

County: Cook

Owned Type: Landline

Owned Carrier: Ameritech Illinois

Counties: Cook County

Full Zip Code: 60606 (28%), 60603 (26%), 60601 (21%), 60602 (19%), 60604 (4%), 60610 (3%)

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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312251 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, 312251-xxxx, 312 is the area code, 251 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)251-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3122519003 3122519008 3122519002 3122519007 3122519000 3122519005 3122519009 3122519004 3122519001 3122519006 3122519013 3122519018 3122519012 3122519017 3122519010 3122519015 3122519019 3122519014 3122519011 3122519016 3122519023 3122519028 3122519022 3122519027 3122519020 3122519025 3122519029 3122519024 3122519021 3122519026 3122519033 3122519038 3122519032 3122519037 3122519030 3122519035 3122519039 3122519034 3122519031 3122519036 3122519043 3122519048 3122519042 3122519047 3122519040 3122519045 3122519049 3122519044 3122519041 3122519046 3122519053 3122519058 3122519052 3122519057 3122519050 3122519055 3122519059 3122519054 3122519051 3122519056 3122519063 3122519068 3122519062 3122519067 3122519060 3122519065 3122519069 3122519064 3122519061 3122519066 3122519073 3122519078 3122519072 3122519077 3122519070 3122519075 3122519079 3122519074 3122519071 3122519076 3122519083 3122519088 3122519082 3122519087 3122519080 3122519085 3122519089 3122519084 3122519081 3122519086 3122519093 3122519098 3122519092 3122519097 3122519090 3122519095 3122519099 3122519094 3122519091 3122519096 3122519103 3122519108 3122519102 3122519107 3122519100 3122519105 3122519109 3122519104 3122519101 3122519106 3122519113 3122519118 3122519112 3122519117 3122519110 3122519115 3122519119 3122519114 3122519111 3122519116 3122519123 3122519128 3122519122 3122519127 3122519120 3122519125 3122519129 3122519124 3122519121 3122519126 3122519133 3122519138 3122519132 3122519137 3122519130 3122519135 3122519139 3122519134 3122519131 3122519136 3122519143 3122519148 3122519142 3122519147 3122519140 3122519145 3122519149 3122519144 3122519141 3122519146 3122519153 3122519158 3122519152 3122519157 3122519150 3122519155 3122519159 3122519154 3122519151 3122519156 3122519163 3122519168 3122519162 3122519167 3122519160 3122519165 3122519169 3122519164 3122519161 3122519166 3122519173 3122519178 3122519172 3122519177 3122519170 3122519175 3122519179 3122519174 3122519171 3122519176 3122519183 3122519188 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Above active phone number (312)251-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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