Lookup Area Code 503, Central Office & Exchange Code 521

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.

503521 is phone number first 6-digit, in the full phone number 503521xxxx, 503 is the Area Code, 521 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) 521-

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: 97007 (50%), 97223 (33%), 97008 (12%), 97224 (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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503521 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, 503521-xxxx, 503 is the area code, 521 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)521-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

5035210003 5035210008 5035210002 5035210007 5035210000 5035210005 5035210009 5035210004 5035210001 5035210006 5035210013 5035210018 5035210012 5035210017 5035210010 5035210015 5035210019 5035210014 5035210011 5035210016 5035210023 5035210028 5035210022 5035210027 5035210020 5035210025 5035210029 5035210024 5035210021 5035210026 5035210033 5035210038 5035210032 5035210037 5035210030 5035210035 5035210039 5035210034 5035210031 5035210036 5035210043 5035210048 5035210042 5035210047 5035210040 5035210045 5035210049 5035210044 5035210041 5035210046 5035210053 5035210058 5035210052 5035210057 5035210050 5035210055 5035210059 5035210054 5035210051 5035210056 5035210063 5035210068 5035210062 5035210067 5035210060 5035210065 5035210069 5035210064 5035210061 5035210066 5035210073 5035210078 5035210072 5035210077 5035210070 5035210075 5035210079 5035210074 5035210071 5035210076 5035210083 5035210088 5035210082 5035210087 5035210080 5035210085 5035210089 5035210084 5035210081 5035210086 5035210093 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Above active phone number (503)521-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.