Lookup Area Code 503, Central Office & Exchange Code 431

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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.

503431 is phone number first 6-digit, in the full phone number 503431xxxx, 503 is the Area Code, 431 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 503, determine the regional location

State: Oregon

Region: Oregon

Center City: Beaver, Gresham, Portland

Area Code: 503 Area Code

State: Oregon

Center City: Portland

Phone Used: (503) 431-

Primary City: Beaverton, OR

Owned Company: Frontier Communications Northwest

County: Washington

Owned Type: Landline

Owned Carrier: Frontier Communications Northwest, Inc. - OR

Counties: Washington County

Full Zip Code: 97224 (59%), 97223 (23%), 97035 (15%), 97062 (3%)

State & Region & County & City & Location map with Area Code

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503431 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, 503431-xxxx, 503 is the area code, 431 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, (503)431-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

5034314003 5034314008 5034314002 5034314007 5034314000 5034314005 5034314009 5034314004 5034314001 5034314006 5034314013 5034314018 5034314012 5034314017 5034314010 5034314015 5034314019 5034314014 5034314011 5034314016 5034314023 5034314028 5034314022 5034314027 5034314020 5034314025 5034314029 5034314024 5034314021 5034314026 5034314033 5034314038 5034314032 5034314037 5034314030 5034314035 5034314039 5034314034 5034314031 5034314036 5034314043 5034314048 5034314042 5034314047 5034314040 5034314045 5034314049 5034314044 5034314041 5034314046 5034314053 5034314058 5034314052 5034314057 5034314050 5034314055 5034314059 5034314054 5034314051 5034314056 5034314063 5034314068 5034314062 5034314067 5034314060 5034314065 5034314069 5034314064 5034314061 5034314066 5034314073 5034314078 5034314072 5034314077 5034314070 5034314075 5034314079 5034314074 5034314071 5034314076 5034314083 5034314088 5034314082 5034314087 5034314080 5034314085 5034314089 5034314084 5034314081 5034314086 5034314093 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Above active phone number (503)431-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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