Lookup Area Code 301, Central Office & Exchange Code 503

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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.

301503 is phone number first 6-digit, in the full phone number 301503xxxx, 301 is the Area Code, 503 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 301, determine the regional location

State: Maryland

Region: Maryland

Center City: Aspen Hill, Bethesda, Bowie

Area Code: 301 Area Code

State: Maryland

Center City: Rockville

Phone Used: (301) 503-

Primary City: Bethesda, MD

Owned Company: New Cingular Wireless PCS - DC

County: Montgomery

Owned Type: Cell Number

Owned Carrier: New Cingular Wireless PCS, LLC - DC

Counties: Montgomery County

Full Zip Code: 20815 (100%)

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

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301503 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, 301503-xxxx, 301 is the area code, 503 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, (301)503-xxxx active phone numbers, contains used, unused, and possibly deregistered phone numbers.

3015030003 3015030008 3015030002 3015030007 3015030000 3015030005 3015030009 3015030004 3015030001 3015030006 3015030013 3015030018 3015030012 3015030017 3015030010 3015030015 3015030019 3015030014 3015030011 3015030016 3015030023 3015030028 3015030022 3015030027 3015030020 3015030025 3015030029 3015030024 3015030021 3015030026 3015030033 3015030038 3015030032 3015030037 3015030030 3015030035 3015030039 3015030034 3015030031 3015030036 3015030043 3015030048 3015030042 3015030047 3015030040 3015030045 3015030049 3015030044 3015030041 3015030046 3015030053 3015030058 3015030052 3015030057 3015030050 3015030055 3015030059 3015030054 3015030051 3015030056 3015030063 3015030068 3015030062 3015030067 3015030060 3015030065 3015030069 3015030064 3015030061 3015030066 3015030073 3015030078 3015030072 3015030077 3015030070 3015030075 3015030079 3015030074 3015030071 3015030076 3015030083 3015030088 3015030082 3015030087 3015030080 3015030085 3015030089 3015030084 3015030081 3015030086 3015030093 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Above active phone number (301)503-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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