First three digits · Texas
ZIP Codes Starting with
58 ZIP codes start with 766, sorted at the Fort Worth, TX (SCF 760) sectional center (USPS labeling list L005, effective October 1, 2026) in Texas: 56 residential ZIP codes across 9 counties and 2 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 766 mean?
The first digit, 7, is one of ten national areas (Arkansas, Louisiana, Oklahoma and Texas). The first three, 766, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 766 to the Fort Worth, TX (SCF 760) facility. The last two digits pick the delivery area. By residents, the largest town names among the 766 ZIP codes are Hewitt, McGregor, Hillsboro, Lorena, Mexia and Whitney.
The same facility sorts 7 prefixes, 337 ZIP codes in all: 760, 761, 762, 763, 764, 766, 767.
Where are the 766 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 766
| County | ||||||
|---|---|---|---|---|---|---|
| 76621 | Abbott | Hill County | 1,104 | 16 | $82k | $241k |
| 76622 | Aquilla | Hill County | 1,447 | 27 | $74k | $196k |
| 76623 | Avalon | Ellis County | 186 | 82 | – | $108k |
| 76624 | Axtell | McLennan County | 2,660 | 42 | $80k | $188k |
| 76626 | Blooming Grove | Navarro County | 1,036 | 23 | $103k | $206k |
| 76627 | Blum | Hill County | 1,736 | 19 | $70k | $127k |
| 76628 | Brandon | Hill County | 50 | 9 | $97k | $55k |
| 76629 | Bremond | Robertson County | 2,053 | 14 | $72k | $211k |
| 76630 | Bruceville | McLennan County | 1,589 | 102 | $84k | $264k |
| 76631 | Bynum | Hill County | 455 | 13 | $97k | $114k |
| 76632 | Chilton | Falls County | 1,350 | 26 | $76k | $157k |
| 76633 | China Spring | McLennan County | 6,268 | 112 | $107k | $404k |
| 76634 | Clifton | Bosque County | 7,537 | 27 | $75k | $212k |
| 76635 | Coolidge | Limestone County | 1,392 | 12 | $62k | $153k |
| 76636 | Covington | Hill County | 1,748 | 39 | $69k | $205k |
| 76637 | Cranfills Gap | Bosque County | 440 | 13 | $79k | $224k |
| 76638 | Crawford | McLennan County | 3,671 | 51 | $130k | $441k |
| 76639 | Dawson | Navarro County | 2,153 | 23 | $49k | $154k |
| 76640 | Elm Mott | McLennan County | 3,089 | 109 | $67k | $167k |
| 76641 | Frost | Navarro County | 2,487 | 34 | $81k | $166k |
| 76642 | Groesbeck | Limestone County | 6,363 | 26 | $62k | $189k |
| 76643 | Hewitt | McLennan County | 16,432 | 2,162 | $84k | $273k |
| 76644 | Laguna Park | Bosque County | PO Box or unique | – | – | – |
| 76645 | Hillsboro | Hill County | 11,494 | 61 | $64k | $199k |
| 76648 | Hubbard | Hill County | 2,777 | 27 | $55k | $132k |
| 76649 | Iredell | Bosque County | 813 | 6 | $82k | $185k |
| 76650 | Irene | Hill County | 55 | 7 | $62k | $106k |
| 76651 | Italy | Ellis County | 3,984 | 42 | $68k | $225k |
| 76652 | Kopperl | Bosque County | 1,044 | 11 | $74k | $208k |
| 76653 | Kosse | Limestone County | 1,067 | 7 | $49k | $150k |
| 76654 | Leroy | McLennan County | 175 | 220 | $70k | $161k |
| 76655 | Lorena | McLennan County | 10,603 | 137 | $100k | $313k |
| 76656 | Lott | Falls County | 2,391 | 20 | $71k | $128k |
| 76657 | McGregor | McLennan County | 12,760 | 92 | $98k | $373k |
| 76660 | Malone | Hill County | 572 | 18 | $49k | $174k |
| 76661 | Marlin | Falls County | 7,602 | 46 | $41k | $67k |
| 76664 | Mart | Limestone County | 3,231 | 24 | $75k | $169k |
| 76665 | Meridian | Bosque County | 2,771 | 17 | $63k | $161k |
| 76666 | Mertens | Hill County | 261 | 9 | – | $93k |
| 76667 | Mexia | Limestone County | 10,494 | 69 | $53k | $155k |
| 76670 | Milford | Ellis County | 1,963 | 29 | $60k | $217k |
| 76671 | Morgan | Bosque County | 2,093 | 28 | $54k | $190k |
| 76673 | Mount Calm | Hill County | 1,196 | 13 | $64k | $115k |
| 76676 | Penelope | Hill County | 344 | 15 | $71k | $164k |
| 76678 | Prairie Hill | Limestone County | 102 | 4 | $62k | $216k |
| 76679 | Purdon | Navarro County | 1,433 | 22 | $76k | $161k |
| 76680 | Reagan | Falls County | 130 | 3 | – | – |
| 76681 | Richland | Navarro County | 674 | 26 | $73k | $106k |
| 76682 | Riesel | Falls County | 3,661 | 29 | $84k | $197k |
| 76684 | Ross | McLennan County | PO Box or unique | – | – | – |
| 76685 | Satin | Falls County | 28 | 2 | – | – |
| 76686 | Tehuacana | Limestone County | 341 | 190 | $76k | $169k |
| 76687 | Thornton | Limestone County | 1,830 | 14 | $73k | $255k |
| 76689 | Valley Mills | Bosque County | 4,564 | 20 | $78k | $217k |
| 76690 | Walnut Springs | Bosque County | 1,214 | 14 | $42k | $170k |
| 76691 | West | McLennan County | 6,661 | 68 | $86k | $305k |
| 76692 | Whitney | Hill County | 9,853 | 87 | $55k | $169k |
| 76693 | Wortham | Freestone County | 2,153 | 18 | $56k | $176k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.