Area Code 571
Area Code 571 | |
---|---|
Post Office City: | Dulles, VA |
County: | Loudoun County County |
Timezone: | America/New_York |
Coordinates: | -77.35, 38.92 |
Area Code: | 571 |
What is the Area Code?
In the United States, the "Area Code" is a numerical prefix used in phone numbers to identify a specific geographic region within the country. These area codes are part of the telephone numbering system and are essential for the proper routing of calls.
The area code typically consists of three digits and precedes the local phone number. For example, in the phone number (212) 555-1234, "212" is the area code that corresponds to a part of New York City.
Functions of the Area Code:
Geographic Identification: Allows the determination of the region or city from which a call originates. Call Routing: Helps telephone service providers direct calls efficiently through their network. Number Distribution: Facilitates the assignment and organization of phone numbers to avoid conflicts and duplications. Billing: Sometimes, call costs can vary depending on the area code, especially for long-distance calls. In summary, area codes are fundamental to the functioning of the telephone system in the United States, ensuring that calls are connected correctly and managed in an orderly manner.
Cities and counties within 571 Area Code
Here are the cities and towns for Area Code 571 that the US Post Office accepts. The city listed as the main city is usually where the main post office is located. When sending a letter or package, always include your preferred city to ensure your delivery is as successful as possible
Primary City | Aceptable Cities | State | County | ZIP | Area codes | Timezone |
---|---|---|---|---|---|---|
Dulles | -- | Virginia(VA) | Loudoun County | 20102 | 571 | America/New_York |
Dulles | -- | Virginia(VA) | Loudoun County | 20103 | 571 | America/New_York |
Dulles | -- | Virginia(VA) | Loudoun County | 20104 | 571 | America/New_York |
Manassas | Sudley Spgs, Sudley Springs | Virginia(VA) | Prince William County | 20109 | 703, 571 | America/New_York |
Manassas | -- | Virginia(VA) | Manassas City | 20110 | 703, 571 | America/New_York |
Manassas | Manassas Park | Virginia(VA) | Manassas Park City | 20111 | 703, 571 | America/New_York |
Manassas | -- | Virginia(VA) | Prince William County | 20112 | 703, 571 | America/New_York |
Centreville | Sully Station | Virginia(VA) | Fairfax County | 20120 | 703, 571, 202 | America/New_York |
Centreville | -- | Virginia(VA) | Fairfax County | 20121 | 703, 571 | America/New_York |
Ashburn | -- | Virginia(VA) | Loudoun County | 20149 | 571 | America/New_York |
Chantilly | Fairfax | Virginia(VA) | Fairfax County | 20153 | 571 | America/New_York |
Gainesville | -- | Virginia(VA) | Prince William County | 20156 | 571 | America/New_York |
Sterling | -- | Virginia(VA) | Loudoun County | 20164 | 571, 703 | America/New_York |
Sterling | Potomac Falls | Virginia(VA) | Loudoun County | 20165 | 703, 571 | America/New_York |
Sterling | Dulles | Virginia(VA) | Loudoun County | 20166 | 703, 571 | America/New_York |
Sterling | -- | Virginia(VA) | Loudoun County | 20167 | 571 | America/New_York |
Haymarket | -- | Virginia(VA) | Prince William County | 20168 | 571 | America/New_York |
Haymarket | -- | Virginia(VA) | Prince William County | 20169 | 703, 571 | America/New_York |
Herndon | -- | Virginia(VA) | Fairfax County | 20170 | 703, 571 | America/New_York |
Herndon | Oak Hill | Virginia(VA) | Fairfax County | 20171 | 703, 571, 202 | America/New_York |
Leesburg | -- | Virginia(VA) | Loudoun County | 20175 | 703, 540, 571 | America/New_York |
Leesburg | Lansdowne | Virginia(VA) | Loudoun County | 20176 | 703, 540, 571 | America/New_York |
Leesburg | -- | Virginia(VA) | Loudoun County | 20178 | 571 | America/New_York |
Dulles | -- | Virginia(VA) | Loudoun County | 20189 | 571 | America/New_York |
Reston | Herndon | Virginia(VA) | Fairfax County | 20190 | 703, 571 | America/New_York |
Herndon | Reston | Virginia(VA) | Fairfax County | 20192 | 571 | America/New_York |
Reston | Herndon, Hundon, Sallie Mae | Virginia(VA) | Fairfax County | 20193 | 571 | America/New_York |
Reston | Herndon | Virginia(VA) | Fairfax County | 20194 | 703, 571 | America/New_York |
Reston | Herndon | Virginia(VA) | Fairfax County | 20196 | 571 | America/New_York |
Dulles | Visa Lottery State Dept | Virginia(VA) | Loudoun County | 20199 | 571 | America/New_York |
Dhs | Alexandria, Arlington, Fairfax, Falls Church, Herndon, Lorton, Mc Lean, Mclean, Reston, Springfield, Sterling | Virginia(VA) | Fairfax County | 20598 | 571 | America/New_York |
Annandale | -- | Virginia(VA) | Fairfax County | 22003 | 703, 571, 202 | America/New_York |
Dumfries | Montclair | Virginia(VA) | Prince William County | 22025 | 571 | America/New_York |
Dunn Loring | Vienna | Virginia(VA) | Fairfax County | 22027 | 703, 571 | America/New_York |
Fairfax | -- | Virginia(VA) | Fairfax County | 22030 | 703, 571 | America/New_York |
Fairfax | -- | Virginia(VA) | Fairfax County | 22031 | 202, 571, 703 | America/New_York |
Fairfax | -- | Virginia(VA) | Fairfax County | 22033 | 571, 703 | America/New_York |
Fairfax | -- | Virginia(VA) | Fairfax City | 22034 | 571 | America/New_York |
Fairfax | -- | Virginia(VA) | Fairfax City | 22036 | 571 | America/New_York |
Fairfax | -- | Virginia(VA) | Fairfax City | 22037 | 571 | America/New_York |
Falls Church | -- | Virginia(VA) | Falls Church City | 22040 | 571 | America/New_York |
Falls Church | Pimmit | Virginia(VA) | Fairfax County | 22043 | 703, 571 | America/New_York |
Falls Church | -- | Virginia(VA) | Falls Church City | 22046 | 703, 571 | America/New_York |
Falls Church | -- | Virginia(VA) | Falls Church City | 22047 | 571 | America/New_York |
Great Falls | -- | Virginia(VA) | Fairfax County | 22066 | 703, 571 | America/New_York |
Greenway | Mc Lean | Virginia(VA) | Fairfax County | 22067 | 571 | America/New_York |
Merrifield | -- | Virginia(VA) | Fairfax County | 22081 | 571 | America/New_York |
Merrifield | -- | Virginia(VA) | Fairfax County | 22082 | 571 | America/New_York |
Herndon | -- | Virginia(VA) | Fairfax County | 22092 | 571 | America/New_York |
Ashburn | Natl Assn Letter Carriers | Virginia(VA) | Loudoun County | 22093 | 571 | America/New_York |
Herndon | Reston | Virginia(VA) | Fairfax County | 22095 | 571 | America/New_York |
Reston | Herndon | Virginia(VA) | Fairfax County | 22096 | 571 | America/New_York |
Mc Lean | Mclean | Virginia(VA) | Fairfax County | 22101 | 202, 703, 571 | America/New_York |
Mc Lean | Mclean, Tysons, Tysons Corner, West Mclean | Virginia(VA) | Fairfax County | 22102 | 540, 703, 571, 202 | America/New_York |
West Mclean | Mc Lean, Mclean | Virginia(VA) | Fairfax County | 22103 | 571 | America/New_York |
Mc Lean | Mclean | Virginia(VA) | Fairfax County | 22106 | 571 | America/New_York |
Mc Lean | -- | Virginia(VA) | Fairfax County | 22107 | 571 | America/New_York |
Mc Lean | -- | Virginia(VA) | Fairfax County | 22108 | 571 | America/New_York |
Mc Lean | -- | Virginia(VA) | Fairfax County | 22109 | 571 | America/New_York |
Merrifield | -- | Virginia(VA) | Fairfax County | 22118 | 571 | America/New_York |
Merrifield | -- | Virginia(VA) | Fairfax County | 22119 | 571 | America/New_York |
Merrifield | Continental Telephone | Virginia(VA) | Fairfax County | 22120 | 571 | America/New_York |
Newington | -- | Virginia(VA) | Fairfax County | 22122 | 571 | America/New_York |
Oakton | Vienna | Virginia(VA) | Fairfax County | 22124 | 202, 703, 571 | America/New_York |
Springfield | W Springfield, West Springfield | Virginia(VA) | Fairfax County | 22152 | 703, 571 | America/New_York |
Springfield | -- | Virginia(VA) | Fairfax County | 22153 | 703, 571 | America/New_York |
Springfield | -- | Virginia(VA) | Fairfax County | 22156 | 571 | America/New_York |
Springfield | -- | Virginia(VA) | Fairfax County | 22158 | 571 | America/New_York |
Springfield | -- | Virginia(VA) | Fairfax County | 22159 | 571 | America/New_York |
Springfield | -- | Virginia(VA) | Fairfax County | 22160 | 571 | America/New_York |
Triangle | -- | Virginia(VA) | Prince William County | 22172 | 703, 571 | America/New_York |
Vienna | -- | Virginia(VA) | Fairfax County | 22180 | 703, 202, 571 | America/New_York |
Vienna | -- | Virginia(VA) | Fairfax County | 22181 | 571, 703 | America/New_York |
Vienna | Tysons, Tysons Corner | Virginia(VA) | Fairfax County | 22182 | 703, 202, 571 | America/New_York |
Vienna | -- | Virginia(VA) | Fairfax County | 22184 | 571 | America/New_York |
Vienna | Oakton | Virginia(VA) | Fairfax County | 22185 | 571 | America/New_York |
Woodbridge | Dale City | Virginia(VA) | Prince William County | 22193 | 703, 571 | America/New_York |
Woodbridge | -- | Virginia(VA) | Prince William County | 22195 | 571 | America/New_York |
Lorton | -- | Virginia(VA) | Fairfax County | 22199 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22201 | 202, 703, 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22203 | 202, 703, 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22205 | 703, 571 | America/New_York |
Arlington | Rosslyn | Virginia(VA) | Arlington County | 22209 | 703, 202, 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22210 | 571 | America/New_York |
Fort Myer | Ft Myer | Virginia(VA) | Arlington County | 22211 | 703, 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22212 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22213 | 703, 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22214 | 703, 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22215 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22216 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22217 | 571 | America/New_York |
Arlington | Visa Lottery | Virginia(VA) | Arlington County | 22218 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22219 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22222 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22223 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22225 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22226 | 571 | America/New_York |
Arlington | Shared Firm Zip | Virginia(VA) | Arlington County | 22229 | 571 | America/New_York |
Arlington | Gannett | Virginia(VA) | Arlington County | 22234 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22240 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22241 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22242 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22243 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22244 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22245 | 571 | America/New_York |
Arlington | -- | Virginia(VA) | Arlington County | 22246 | 571 | America/New_York |
Alexandria | -- | Virginia(VA) | Alexandria City | 22313 | 571 | America/New_York |
Alexandria | -- | Virginia(VA) | Alexandria City | 22314 | 202, 703, 571 | America/New_York |
Alexandria | -- | Virginia(VA) | Alexandria City | 22320 | 571 | America/New_York |
Alexandria | Firm Zip | Virginia(VA) | Alexandria City | 22321 | 571 | America/New_York |
Alexandria | -- | Virginia(VA) | Alexandria City | 22333 | 571 | America/New_York |
Alexandria | -- | Virginia(VA) | Alexandria City | 22334 | 571 | America/New_York |
Alexandria | -- | Virginia(VA) | Alexandria City | 22336 | 571 | America/New_York |