First three digits · West Virginia
ZIP Codes Starting with
29 ZIP codes start with 266, sorted at the Charleston, WV (SCF 250) sectional center (USPS labeling list L005, effective October 1, 2026) in West Virginia: 28 residential ZIP codes across 4 counties and 1 PO Box or single-organization code (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 266 mean?
The first digit, 2, is one of ten national areas (District of Columbia, Maryland, North Carolina, South Carolina, Virginia and West Virginia). The first three, 266, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 266 to the Charleston, WV (SCF 250) facility. The last two digits pick the delivery area. By residents, the largest town names among the 266 ZIP codes are Summersville, Sutton, Gassaway, Mount Nebo, Mount Lookout and Frametown.
The same facility sorts 22 prefixes, 876 ZIP codes in all: 246, 247, 248, 249, 250, 251, 252, 253, 255, 256, 257, 258, 259, 261, 262, 263, 264, 266, 411, 412, 415, 416.
Where are the 266 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 266
| County | ||||||
|---|---|---|---|---|---|---|
| 26601 | Sutton | Braxton County | 4,121 | 33 | $51k | $117k |
| 26610 | Birch River | Nicholas County | 723 | 10 | $37k | $84k |
| 26611 | Cedarville | Gilmer County | 69 | 6 | – | – |
| 26615 | Copen | Braxton County | 115 | 18 | $16k | – |
| 26617 | Dille | Nicholas County | 763 | 72 | $56k | – |
| 26619 | Exchange | Braxton County | 695 | 23 | $36k | $111k |
| 26621 | Flatwoods | Braxton County | 744 | 25 | $43k | $157k |
| 26623 | Frametown | Braxton County | 1,425 | 23 | $61k | $101k |
| 26624 | Gassaway | Braxton County | 2,219 | 28 | $47k | $115k |
| 26627 | Heaters | Braxton County | 357 | 18 | $64k | $209k |
| 26629 | Little Birch | Braxton County | 257 | 25 | – | $115k |
| 26631 | Napier | Braxton County | 214 | 12 | – | $280k |
| 26636 | Rosedale | Braxton County | 288 | 11 | $41k | – |
| 26638 | Shock | Gilmer County | 89 | 4 | $107k | $113k |
| 26651 | Summersville | Nicholas County | 9,067 | 45 | $63k | $180k |
| 26656 | Belva | Nicholas County | 414 | 26 | $78k | $159k |
| 26660 | Calvin | Nicholas County | 449 | 66 | – | – |
| 26662 | Canvas | Nicholas County | 743 | 74 | – | $167k |
| 26667 | Drennen | Nicholas County | 136 | 25 | – | – |
| 26671 | Gilboa | Nicholas County | 459 | 28 | $51k | $108k |
| 26675 | Keslers Cross Lanes | Nicholas County | PO Box or unique | – | – | – |
| 26676 | Leivasy | Nicholas County | 126 | 5 | $21k | $111k |
| 26678 | Mount Lookout | Nicholas County | 1,427 | 100 | $64k | $122k |
| 26679 | Mount Nebo | Nicholas County | 1,628 | 31 | $54k | $165k |
| 26680 | Nallen | Fayette County | 307 | 9 | – | $108k |
| 26681 | Nettie | Nicholas County | 871 | 23 | $51k | $71k |
| 26684 | Pool | Nicholas County | 275 | 118 | – | $342k |
| 26690 | Swiss | Fayette County | 824 | 21 | – | $51k |
| 26691 | Tioga | Nicholas County | 741 | 53 | $85k | $160k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.