Lookup Area Code 312, Central Office & Exchange Code 644

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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.

312644 is phone number first 6-digit, in the full phone number 312644xxxx, 312 is the Area Code, 644 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) 644-

Primary City: Chicago, IL

Owned Company: Ameritech Illinois

County: Cook

Owned Type: Landline

Owned Carrier: Ameritech Illinois

Counties: Cook County

Full Zip Code: 60611 (48%), 60610 (34%), 60654 (12%), 60601 (4%)

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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312644 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, 312644-xxxx, 312 is the area code, 644 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)644-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3126440003 3126440008 3126440002 3126440007 3126440000 3126440005 3126440009 3126440004 3126440001 3126440006 3126440013 3126440018 3126440012 3126440017 3126440010 3126440015 3126440019 3126440014 3126440011 3126440016 3126440023 3126440028 3126440022 3126440027 3126440020 3126440025 3126440029 3126440024 3126440021 3126440026 3126440033 3126440038 3126440032 3126440037 3126440030 3126440035 3126440039 3126440034 3126440031 3126440036 3126440043 3126440048 3126440042 3126440047 3126440040 3126440045 3126440049 3126440044 3126440041 3126440046 3126440053 3126440058 3126440052 3126440057 3126440050 3126440055 3126440059 3126440054 3126440051 3126440056 3126440063 3126440068 3126440062 3126440067 3126440060 3126440065 3126440069 3126440064 3126440061 3126440066 3126440073 3126440078 3126440072 3126440077 3126440070 3126440075 3126440079 3126440074 3126440071 3126440076 3126440083 3126440088 3126440082 3126440087 3126440080 3126440085 3126440089 3126440084 3126440081 3126440086 3126440093 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Above active phone number (312)644-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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