571 Rate Centers & Exchanges

13 rate centers · Virginia · Eastern Time

A rate center is the geographic unit used by phone carriers to determine local calling areas and billing. Each rate center has a specific name and set of NXX exchanges (the 3-digit prefix after the area code) assigned to it. The map below shows the 13 rate centers within area code 571.

Rate Center Locations

13 centers in area code 571

All Rate Centers in Area Code 571

Rate Center	Latitude	Longitude
Dale City	38.6321	-77.3191
Dulles Metro	38.8992	-77.2685
Engleside	38.7197	-77.2132
Herndon	38.9652	-77.3816
Independent Hill	38.6601	-77.4439
Leesburg	39.1193	-77.5671
Lorton	38.6910	-77.2529
Manassas	38.7505	-77.4783
Occoquan	38.6835	-77.2595
Triangle	38.5511	-77.3335
Washington Zone 17	38.8915	-77.1608
Washington Zone 19	38.8992	-77.2685
Washington Zone 8	38.8805	-77.0990

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