First three digits · Texas
ZIP Codes Starting with
46 ZIP codes start with 781, sorted at the San Antonio, TX (SCF 780) sectional center (USPS labeling list L005, effective October 1, 2026) in Texas: 42 residential ZIP codes across 9 counties and 4 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 781 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 781, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 781 to the San Antonio, TX (SCF 780) facility. The last two digits pick the delivery area. By residents, the largest town names among the 781 ZIP codes are New Braunfels, Converse, Seguin, Cibolo, Schertz and Beeville.
The same facility sorts 4 prefixes, 226 ZIP codes in all: 780, 781, 782, 788.
Where are the 781 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 781
| County | ||||||
|---|---|---|---|---|---|---|
| 78101 | Adkins | Bexar County | 7,267 | 137 | $111k | $336k |
| 78102 | Beeville | Bee County | 27,455 | 52 | $59k | $111k |
| 78104 | Beeville | Bee County | 21 | 6 | – | – |
| 78107 | Berclair | Goliad County | 254 | 2 | – | $45k |
| 78108 | Cibolo | Guadalupe County | 49,784 | 1,763 | $113k | $338k |
| 78109 | Converse | Bexar County | 63,067 | 2,266 | $91k | $253k |
| 78111 | Ecleto | Karnes County | no residents | 0 | – | – |
| 78112 | Elmendorf | Bexar County | 9,769 | 190 | $55k | $131k |
| 78113 | Falls City | Wilson County | 3,026 | 10 | $79k | $300k |
| 78114 | Floresville | Wilson County | 24,283 | 70 | $88k | $293k |
| 78115 | Geronimo | Guadalupe County | PO Box or unique | – | – | – |
| 78116 | Gillett | Karnes County | 226 | 2 | $89k | $332k |
| 78117 | Hobson | Karnes County | 661 | 9 | – | $324k |
| 78118 | Karnes City | Karnes County | 4,676 | 24 | $61k | $104k |
| 78119 | Kenedy | Karnes County | 7,270 | 22 | $63k | $147k |
| 78121 | La Vernia | Wilson County | 16,120 | 157 | $120k | $403k |
| 78122 | Leesville | Gonzales County | 338 | 9 | – | – |
| 78123 | McQueeney | Guadalupe County | 2,127 | 569 | $98k | $239k |
| 78124 | Marion | Guadalupe County | 6,157 | 108 | $74k | $283k |
| 78125 | Mineral | Bee County | 32 | 1 | $35k | $350k |
| 78130 | New Braunfels | Guadalupe County | 104,009 | 1,143 | $83k | $323k |
| 78131 | New Braunfels | Comal County | PO Box or unique | – | – | – |
| 78132 | New Braunfels | Comal County | 40,953 | 228 | $135k | $620k |
| 78133 | Canyon Lake | Comal County | 21,959 | 291 | $84k | $349k |
| 78135 | New Braunfels | Comal County | PO Box or unique | – | – | – |
| 78140 | Nixon | Gonzales County | 3,474 | 20 | $50k | $85k |
| 78141 | Nordheim | DeWitt County | 868 | 11 | $44k | $76k |
| 78142 | Normanna | Bee County | no residents | 0 | – | – |
| 78143 | Pandora | Wilson County | no residents | 0 | – | – |
| 78144 | Panna Maria | Karnes County | 47 | 21 | – | – |
| 78145 | Pawnee | Bee County | 64 | 20 | $47k | – |
| 78146 | Pettus | Bee County | 752 | 19 | $68k | $170k |
| 78147 | Poth | Wilson County | 1,532 | 441 | $72k | $225k |
| 78148 | Universal City | Bexar County | 22,187 | 2,301 | $75k | $267k |
| 78150 | Jbsa Randolph | Bexar County | no residents | 0 | – | – |
| 78151 | Runge | Karnes County | 1,378 | 13 | $27k | $101k |
| 78152 | Saint Hedwig | Bexar County | 4,521 | 125 | $124k | $325k |
| 78154 | Schertz | Bexar County | 41,907 | 1,275 | $101k | $319k |
| 78155 | Seguin | Guadalupe County | 55,600 | 156 | $71k | $267k |
| 78156 | Seguin | Guadalupe County | PO Box or unique | – | – | – |
| 78159 | Smiley | Gonzales County | 623 | 5 | $35k | $133k |
| 78160 | Stockdale | Wilson County | 4,885 | 27 | $65k | $243k |
| 78161 | Sutherland Springs | Wilson County | 579 | 54 | $80k | $204k |
| 78162 | Tuleta | Bee County | 331 | 21 | – | $138k |
| 78163 | Bulverde | Comal County | 19,141 | 256 | $141k | $436k |
| 78164 | Yorktown | DeWitt County | 2,927 | 12 | $68k | $171k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.