First three digits · Texas
ZIP Codes Starting with
71 ZIP codes start with 775, sorted at the North Houston, TX (SCF 773) sectional center (USPS labeling list L005, effective October 1, 2026) in Texas: 58 residential ZIP codes across 7 counties and 13 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 775 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 775, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 775 to the North Houston, TX (SCF 773) facility. The last two digits pick the delivery area. By residents, the largest town names among the 775 ZIP codes are Pasadena, Pearland, Baytown, League City, Galveston and Friendswood.
The same facility sorts 3 prefixes, 191 ZIP codes in all: 773, 775, 778.
Where are the 775 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 775
| County | ||||||
|---|---|---|---|---|---|---|
| 77501 | Pasadena | Harris County | PO Box or unique | – | – | – |
| 77502 | Pasadena | Harris County | 36,371 | 6,655 | $63k | $177k |
| 77503 | Pasadena | Harris County | 23,866 | 3,764 | $67k | $183k |
| 77504 | Pasadena | Harris County | 25,779 | 4,612 | $52k | $227k |
| 77505 | Pasadena | Harris County | 23,174 | 2,763 | $98k | $295k |
| 77506 | Pasadena | Harris County | 35,114 | 3,104 | $50k | $147k |
| 77507 | Pasadena | Harris County | 567 | 35 | $77k | – |
| 77508 | Pasadena | Harris County | PO Box or unique | – | – | – |
| 77510 | Santa Fe | Galveston County | 14,155 | 465 | $103k | $333k |
| 77511 | Alvin | Brazoria County | 51,892 | 346 | $75k | $236k |
| 77512 | Alvin | Brazoria County | PO Box or unique | – | – | – |
| 77514 | Anahuac | Chambers County | 5,480 | 30 | $85k | $215k |
| 77515 | Angleton | Brazoria County | 34,088 | 167 | $89k | $226k |
| 77516 | Angleton | Brazoria County | PO Box or unique | – | – | – |
| 77517 | Santa Fe | Galveston County | 5,529 | 211 | $89k | $314k |
| 77518 | Bacliff | Galveston County | 9,541 | 2,944 | $52k | $202k |
| 77519 | Batson | Hardin County | 716 | 26 | $82k | $155k |
| 77520 | Baytown | Harris County | 36,355 | 1,729 | $54k | $151k |
| 77521 | Baytown | Harris County | 69,038 | 1,401 | $74k | $231k |
| 77522 | Baytown | Harris County | PO Box or unique | – | – | – |
| 77523 | Baytown | Chambers County | 30,186 | 354 | $124k | $372k |
| 77530 | Channelview | Harris County | 31,527 | 2,283 | $62k | $181k |
| 77531 | Clute | Brazoria County | 16,406 | 1,396 | $73k | $261k |
| 77532 | Crosby | Harris County | 33,780 | 409 | $92k | $268k |
| 77533 | Daisetta | Liberty County | 1,016 | 40 | $66k | $119k |
| 77534 | Danbury | Brazoria County | 3,403 | 81 | $106k | $246k |
| 77535 | Dayton | Liberty County | 39,504 | 128 | $85k | $225k |
| 77536 | Deer Park | Harris County | 33,174 | 3,378 | $102k | $265k |
| 77538 | Devers | Liberty County | 917 | 7 | $79k | $146k |
| 77539 | Dickinson | Galveston County | 49,375 | 1,020 | $89k | $265k |
| 77541 | Freeport | Brazoria County | 16,996 | 120 | $67k | $170k |
| 77542 | Freeport | Brazoria County | PO Box or unique | – | – | – |
| 77545 | Fresno | Fort Bend County | 26,236 | 1,787 | $95k | $262k |
| 77546 | Friendswood | Galveston County | 54,789 | 2,014 | $124k | $381k |
| 77547 | Galena Park | Harris County | 9,217 | 2,392 | $51k | $112k |
| 77549 | Friendswood | Galveston County | PO Box or unique | – | – | – |
| 77550 | Galveston | Galveston County | 23,489 | 3,107 | $45k | $326k |
| 77551 | Galveston | Galveston County | 21,696 | 5,487 | $58k | $291k |
| 77552 | Galveston | Galveston County | PO Box or unique | – | – | – |
| 77553 | Galveston | Galveston County | PO Box or unique | – | – | – |
| 77554 | Galveston | Galveston County | 10,414 | 335 | $87k | $467k |
| 77555 | Galveston | Galveston County | 2 | 87 | – | – |
| 77560 | Hankamer | Chambers County | 1,238 | 46 | $76k | $262k |
| 77561 | Hardin | Liberty County | 36 | 96 | – | – |
| 77562 | Highlands | Harris County | 8,914 | 661 | $57k | $218k |
| 77563 | Hitchcock | Galveston County | 9,955 | 225 | $76k | $221k |
| 77564 | Hull | Liberty County | 1,806 | 30 | $56k | $154k |
| 77565 | Kemah | Galveston County | 6,943 | 1,948 | $95k | $419k |
| 77566 | Lake Jackson | Brazoria County | 30,246 | 1,278 | $93k | $263k |
| 77568 | La Marque | Galveston County | 23,083 | 1,576 | $75k | $230k |
| 77571 | La Porte | Harris County | 38,543 | 1,040 | $82k | $238k |
| 77572 | La Porte | Harris County | PO Box or unique | – | – | – |
| 77573 | League City | Galveston County | 98,109 | 3,288 | $123k | $368k |
| 77574 | League City | Galveston County | PO Box or unique | – | – | – |
| 77575 | Liberty | Liberty County | 16,613 | 70 | $57k | $186k |
| 77577 | Liverpool | Brazoria County | 1,562 | 56 | $71k | $253k |
| 77578 | Manvel | Brazoria County | 30,210 | 787 | $134k | $378k |
| 77580 | Mont Belvieu | Chambers County | no residents | 0 | – | – |
| 77581 | Pearland | Brazoria County | 51,332 | 2,085 | $111k | $338k |
| 77582 | Raywood | Liberty County | 135 | 8 | – | – |
| 77583 | Rosharon | Brazoria County | 52,747 | 303 | $119k | $338k |
| 77584 | Pearland | Brazoria County | 91,065 | 2,846 | $122k | $365k |
| 77585 | Saratoga | Hardin County | 1,112 | 11 | – | $211k |
| 77586 | Seabrook | Harris County | 23,807 | 2,042 | $114k | $346k |
| 77587 | South Houston | Harris County | 16,033 | 5,224 | $54k | $189k |
| 77588 | Pearland | Brazoria County | PO Box or unique | – | – | – |
| 77590 | Texas City | Galveston County | 31,642 | 1,256 | $66k | $189k |
| 77591 | Texas City | Galveston County | 18,294 | 1,773 | $69k | $223k |
| 77592 | Texas City | Galveston County | PO Box or unique | – | – | – |
| 77597 | Wallisville | Chambers County | 623 | 38 | – | – |
| 77598 | Webster | Harris County | 26,110 | 2,134 | $61k | $241k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.