Area code 210 With ZIP CODE (78101 – 78073)

Area code 210 is a North American telephone area code for numbers in and near San Antonio, Texas. It is an enclave area code, similar to area code 312 in Chicago, area code 213 in Los Angeles, area code 316 in Wichita, Kansas and area codes 385/801 in Salt Lake City, in that it is completely surrounded by area code 830.

Area code 210 With ZIP CODE (78101 - 78073)
Area code 210 With ZIP CODE 

It was created November 1, 1992, in a split from area code 512. Before that date, 512 had served the entire south-central portion of Texas since the area code system was instituted in 1947; 512 was the last of Texas’ original four area codes to be split.

The formation of 210 was intended to be a long-term solution in order to relieve exchanges in the Austin–San Antonio corridor. However, within four years 210 was already close to exhaustion because of San Antonio’s rapid growth and the popularity of cellular telephones and pagers. This forced a three-way split, which took place on July 7, 1997.

Most of Bexar County stayed in 210, while the San Antonio suburbs and the Texas Hill Country were split off as area code 830. The southern portion became area code 956. The 1997 split made San Antonio one of the few cities that are split between two area codes, as well as being the largest city in Texas where 7-digit dialling is still possible. Some portions of San Antonio located in Medina and Comal counties, as well as a few portions of Bexar County, are now in 830.

At this time, 210 is expected to exhaust once again by mid 2018, around which time an overlay of 210 (including the switch to ten-digit dialling) will be implemented. Planning for that new area code began in June 2015. The new overlay code will be 726.

CITY  – (COUNTY) ZIP CODE STATE AREA CODE
Adkins – (Bexar) 78101 Texas 210
Atascosa – (Bexar) 78002 Texas 210
Boerne – (Bexar) 78015 Texas 210
Converse – (Bexar) 78109 Texas 210
Elmendorf – (Bexar) 78112 Texas 210
Helotes – (Bexar) 78023 Texas 210
Macdona – (Bexar) 78054 Texas 210
Saint Hedwig – (Bexar) 78152 Texas 210
San Antonio – (Bexar) 78201 Texas 210
San Antonio – (Bexar) 78202 Texas 210
San Antonio – (Bexar) 78203 Texas 210
San Antonio – (Bexar) 78204 Texas 210
San Antonio – (Bexar) 78205 Texas 210
San Antonio – (Bexar) 78206 Texas 210
San Antonio – (Bexar) 78207 Texas 210
San Antonio – (Bexar) 78208 Texas 210
San Antonio – (Bexar) 78209 Texas 210
San Antonio – (Bexar) 78210 Texas 210
San Antonio – (Bexar) 78211 Texas 210
San Antonio – (Bexar) 78212 Texas 210
San Antonio – (Bexar) 78213 Texas 210
San Antonio – (Bexar) 78214 Texas 210
San Antonio – (Bexar) 78215 Texas 210
San Antonio – (Bexar) 78216 Texas 210
San Antonio – (Bexar) 78217 Texas 210
San Antonio – (Bexar) 78218 Texas 210
San Antonio – (Bexar) 78219 Texas 210
San Antonio – (Bexar) 78220 Texas 210
San Antonio – (Bexar) 78221 Texas 210
San Antonio – (Bexar) 78222 Texas 210
San Antonio – (Bexar) 78223 Texas 210
San Antonio – (Bexar) 78224 Texas 210
San Antonio – (Bexar) 78225 Texas 210
San Antonio – (Bexar) 78226 Texas 210
San Antonio – (Bexar) 78227 Texas 210
San Antonio – (Bexar) 78228 Texas 210
San Antonio – (Bexar) 78229 Texas 210
San Antonio – (Bexar) 78230 Texas 210
San Antonio – (Bexar) 78231 Texas 210
San Antonio – (Bexar) 78232 Texas 210
San Antonio – (Bexar) 78233 Texas 210
San Antonio – (Bexar) 78234 Texas 210
San Antonio – (Bexar) 78235 Texas 210
San Antonio – (Bexar) 78236 Texas 210
San Antonio – (Bexar) 78237 Texas 210
San Antonio – (Bexar) 78238 Texas 210
San Antonio – (Bexar) 78239 Texas 210
San Antonio – (Bexar) 78240 Texas 210
San Antonio – (Bexar) 78241 Texas 210
San Antonio – (Bexar) 78242 Texas 210
San Antonio – (Bexar) 78243 Texas 210
San Antonio – (Bexar) 78244 Texas 210
San Antonio – (Bexar) 78245 Texas 210
San Antonio – (Bexar) 78246 Texas 210
San Antonio – (Bexar) 78247 Texas 210
San Antonio – (Bexar) 78248 Texas 210
San Antonio – (Bexar) 78249 Texas 210
San Antonio – (Bexar) 78250 Texas 210
San Antonio – (Bexar) 78251 Texas 210
San Antonio – (Bexar) 78252 Texas 210
San Antonio – (Bexar) 78253 Texas 210
San Antonio – (Bexar) 78254 Texas 210
San Antonio – (Bexar) 78255 Texas 210
San Antonio – (Bexar) 78256 Texas 210
San Antonio – (Bexar) 78257 Texas 210
San Antonio – (Bexar) 78258 Texas 210
San Antonio – (Bexar) 78259 Texas 210
San Antonio – (Bexar) 78260 Texas 210
San Antonio – (Bexar) 78261 Texas 210
San Antonio – (Bexar) 78262 Texas 210
San Antonio – (Bexar) 78263 Texas 210
San Antonio – (Bexar) 78264 Texas 210
San Antonio – (Bexar) 78265 Texas 210
San Antonio – (Bexar) 78268 Texas 210
San Antonio – (Bexar) 78269 Texas 210
San Antonio – (Bexar) 78270 Texas 210
San Antonio – (Bexar) 78275 Texas 210
San Antonio – (Bexar) 78278 Texas 210
San Antonio – (Bexar) 78279 Texas 210
San Antonio – (Bexar) 78280 Texas 210
San Antonio – (Bexar) 78283 Texas 210
San Antonio – (Bexar) 78284 Texas 210
San Antonio – (Bexar) 78285 Texas 210
San Antonio – (Bexar) 78286 Texas 210
San Antonio – (Bexar) 78287 Texas 210
San Antonio – (Bexar) 78288 Texas 210
San Antonio – (Bexar) 78289 Texas 210
San Antonio – (Bexar) 78291 Texas 210
San Antonio – (Bexar) 78292 Texas 210
San Antonio – (Bexar) 78293 Texas 210
San Antonio – (Bexar) 78294 Texas 210
San Antonio – (Bexar) 78295 Texas 210
San Antonio – (Bexar) 78296 Texas 210
San Antonio – (Bexar) 78297 Texas 210
San Antonio – (Bexar) 78298 Texas 210
San Antonio – (Bexar) 78299 Texas 210
Somerset – (Bexar) 78069 Texas 210
Universal City – (Bexar) 78148 Texas 210
Universal City – (Bexar) 78150 Texas 210
Von Ormy – (Bexar) 78073 Texas 210

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