Lookup Area Code 231, Central Office & Exchange Code 821

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.

231821 is phone number first 6-digit, in the full phone number 231821xxxx, 231 is the Area Code, 821 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 231, determine the regional location

State: Michigan

Region: Michigan

Center City: Grant

Area Code: 231 Area Code

State: Michigan

Center City: Muskegon

Phone Used: (231) 821-

Primary City: Holton, MI

Owned Company: Frontier North

County: Muskegon

Owned Type: Landline

Owned Carrier: Frontier North, Inc. - MI

Counties: Muskegon County

Full Zip Code: 49425 (69%), 49457 (29%), 49412 (2%)

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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231821 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, 231821-xxxx, 231 is the area code, 821 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, (231)821-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

2318213003 2318213008 2318213002 2318213007 2318213000 2318213005 2318213009 2318213004 2318213001 2318213006 2318213013 2318213018 2318213012 2318213017 2318213010 2318213015 2318213019 2318213014 2318213011 2318213016 2318213023 2318213028 2318213022 2318213027 2318213020 2318213025 2318213029 2318213024 2318213021 2318213026 2318213033 2318213038 2318213032 2318213037 2318213030 2318213035 2318213039 2318213034 2318213031 2318213036 2318213043 2318213048 2318213042 2318213047 2318213040 2318213045 2318213049 2318213044 2318213041 2318213046 2318213053 2318213058 2318213052 2318213057 2318213050 2318213055 2318213059 2318213054 2318213051 2318213056 2318213063 2318213068 2318213062 2318213067 2318213060 2318213065 2318213069 2318213064 2318213061 2318213066 2318213073 2318213078 2318213072 2318213077 2318213070 2318213075 2318213079 2318213074 2318213071 2318213076 2318213083 2318213088 2318213082 2318213087 2318213080 2318213085 2318213089 2318213084 2318213081 2318213086 2318213093 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Above active phone number (231)821-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.