<Ul> <Li> US 87: Southbound to Victoria along Roland Avenue then Rigsby Avenue . It runs concurrent with I - 10 for 52 miles (84 km) where it goes to San Angelo northbound . </Li> <Li> US 181: Starts 0.5 miles (0.8 km) south of I - 410 / I - 37 / US 281 interchange and heads toward Corpus Christi via Beeville . Prior to I - 37 being built, US 181 traveled along Presa St. from Downtown to its current alignment . </Li> <Li> State Highway 16: From Freer, it runs concurrent with I - 410 for 17 miles (27 km) along southwest San Antonio, over to Bandera Road to Bandera . </Li> <Li> State Loop 345: Fredericksburg Road is the business loop for I - 10 West / US - 87 North . </Li> <Li> State Loop 368: Broadway and Austin Highway is the business loop for I - 35 North . </Li> <Li> State PA 1502 (Wurzbach Parkway): Limited - access, high speed road parallel to north IH - 410 . Has connections to I - 35 and I - 10 across the north side of town . </Li> <Li> State Loop 353: Nogalitos Street and New Laredo Highway is the business loop for I - 35 South . </Li> <Li> State Loop 13: Is the city's inner loop on the south side serving Lackland AFB, Port San Antonio, South Park Mall and Brooks CityBase traveling along Military Dr. on the south side and WW White Rd . on the east side to its junction with I - 35 / I - 410 . The northern arc of the loop is now I - 410 . </Li> </Ul> <Li> US 87: Southbound to Victoria along Roland Avenue then Rigsby Avenue . It runs concurrent with I - 10 for 52 miles (84 km) where it goes to San Angelo northbound . </Li> <Li> US 181: Starts 0.5 miles (0.8 km) south of I - 410 / I - 37 / US 281 interchange and heads toward Corpus Christi via Beeville . Prior to I - 37 being built, US 181 traveled along Presa St. from Downtown to its current alignment . </Li> <Li> State Highway 16: From Freer, it runs concurrent with I - 410 for 17 miles (27 km) along southwest San Antonio, over to Bandera Road to Bandera . </Li>

Where does the 210 area code come from