ZIP codes starting with 374
- ZIP codes
- 20
- States
- TN
- Largest city
- Chattanooga, TN
- Population
- 214,646
The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.
Every ZIP code in 374xx
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
37401 | Chattanooga , TN | No street area | — | — | — |
37402 | Chattanooga , TN | Standard | 3,953 | $24,214 | $268,800 |
37403 | Chattanooga , TN | Standard | 6,413 | $81,136 | $525,200 |
37404 | Chattanooga , TN | Standard | 14,737 | $56,637 | $255,400 |
37405 | Chattanooga , TN | Standard | 18,109 | $81,337 | $460,600 |
37406 | Chattanooga , TN | Standard | 13,364 | $44,850 | $168,000 |
37407 | Chattanooga , TN | Standard | 9,156 | $35,845 | $98,900 |
37408 | Chattanooga , TN | Standard | 3,502 | $81,250 | $468,200 |
37409 | Chattanooga , TN | Standard | 3,357 | $74,754 | $267,400 |
37410 | Chattanooga , TN | Standard | 4,129 | $28,708 | $153,400 |
37411 | Chattanooga , TN | Standard | 18,997 | $56,579 | $232,300 |
37412 | Chattanooga , TN | Standard | 21,864 | $62,508 | $209,900 |
37414 | Chattanooga , TN | No street area | — | — | — |
37415 | Chattanooga , TN | Standard | 24,181 | $70,972 | $285,000 |
37416 | Chattanooga , TN | Standard | 13,919 | $70,705 | $253,100 |
37419 | Chattanooga , TN | Standard | 5,980 | $74,787 | $351,800 |
37421 | Chattanooga , TN | Standard | 52,985 | $82,517 | $333,700 |
37422 | Chattanooga , TN | No street area | — | — | — |
37424 | Chattanooga , TN | No street area | — | — | — |
37450 | Chattanooga , TN | Standard | 0 | — | — |
Cite this page
zipcodes.pro. “ZIP codes starting with 374.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/374
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