| General Information | |
|---|---|
| Country | United States |
| State/Province | Texas |
| Major City | Houston |
| Time Zone | Central (UTC-06:00) |
| Current Local Time | 17:55 |
| Prefix | County | Primary City |
|---|---|---|
| 281-200 | Harris | Houston |
| 281-201 | Fort Bend | Sugar Land |
| 281-202 | Fort Bend | Richmond |
| 281-203 | Harris | Spring |
| 281-204 | Harris | Houston |
| 281-205 | Harris | Tomball |
| 281-206 | Harris | Houston |
| 281-207 | Fort Bend | Sugar Land |
| 281-208 | Fort Bend | Stafford |
| 281-209 | Harris | Houston |
| 281-210 | Harris | Spring |
| 281-212 | Harris | Houston |
| 281-213 | Harris | Cypress |
| 281-214 | Harris | Houston |
| 281-215 | Harris | Houston |
| 281-216 | Harris | Houston |
| 281-217 | Harris | Houston |
| 281-218 | Harris | Houston |
| 281-219 | Harris | Houston |
| 281-220 | Harris | Houston |
| 281-221 | Harris | Houston |
| 281-222 | Harris | Houston |
| 281-223 | Liberty | Cleveland |
| 281-224 | Harris | Houston |
| 281-225 | Harris | Houston |
| 281-226 | Harris | Houston |
| 281-227 | Harris | Houston |
| 281-228 | Harris | Houston |
| 281-229 | Galveston | Dickinson |
| 281-230 | Harris | Houston |
| 281-231 | Harris | Houston |
| 281-232 | Fort Bend | Richmond |
| 281-233 | Harris | Houston |
| 281-234 | Fort Bend | Katy |
| 281-235 | Harris | Houston |
| 281-236 | Harris | Houston |
| 281-237 | Fort Bend | Katy |
| 281-238 | Fort Bend | Richmond |
| 281-239 | Fort Bend | Richmond |
| 281-240 | Fort Bend | Sugar Land |
| 281-241 | Harris | Deer Park |
| 281-242 | Fort Bend | Sugar Land |
| 281-243 | Fort Bend | Sugar Land |
| 281-244 | Harris | Houston |
| 281-245 | Brazoria | Alvin |
| 281-246 | Harris | Cypress |
| 281-247 | Harris | Houston |
| 281-248 | Harris | Houston |
| 281-249 | Harris | Houston |
| 281-250 | Harris | Houston |