Lookup Area Code 423, Central Office & Exchange Code 721

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.

423721 is phone number first 6-digit, in the full phone number 423721xxxx, 423 is the Area Code, 721 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 423, determine the regional location

State: Tennessee

Region: Tennessee

Center City: Chattanooga, Johnson City, Kingsport

Area Code: 423 Area Code

State: Tennessee

Center City: Chattanooga

Phone Used: (423) 721-

Primary City: Newport, TN

Owned Company: United States Cellular Corp. - Tennessee

County: Cocke

Owned Type: Cell Number

Owned Carrier: United States Cellular Corp. - Tennessee

Counties: Cocke County

Full Zip Code: 37821 (100%)

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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423721 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, 423721-xxxx, 423 is the area code, 721 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, (423)721-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

4237219003 4237219008 4237219002 4237219007 4237219000 4237219005 4237219009 4237219004 4237219001 4237219006 4237219013 4237219018 4237219012 4237219017 4237219010 4237219015 4237219019 4237219014 4237219011 4237219016 4237219023 4237219028 4237219022 4237219027 4237219020 4237219025 4237219029 4237219024 4237219021 4237219026 4237219033 4237219038 4237219032 4237219037 4237219030 4237219035 4237219039 4237219034 4237219031 4237219036 4237219043 4237219048 4237219042 4237219047 4237219040 4237219045 4237219049 4237219044 4237219041 4237219046 4237219053 4237219058 4237219052 4237219057 4237219050 4237219055 4237219059 4237219054 4237219051 4237219056 4237219063 4237219068 4237219062 4237219067 4237219060 4237219065 4237219069 4237219064 4237219061 4237219066 4237219073 4237219078 4237219072 4237219077 4237219070 4237219075 4237219079 4237219074 4237219071 4237219076 4237219083 4237219088 4237219082 4237219087 4237219080 4237219085 4237219089 4237219084 4237219081 4237219086 4237219093 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Above active phone number (423)721-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.