First three digits · Pennsylvania
ZIP Codes Starting with
60 ZIP codes start with 175, sorted at the Harrisburg, PA (SCF 170) sectional center (USPS labeling list L005, effective October 1, 2026) in Pennsylvania: 47 residential ZIP codes across 1 county and 13 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 175 mean?
The first digit, 1, is one of ten national areas (Delaware, New York and Pennsylvania). The first three, 175, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 175 to the Harrisburg, PA (SCF 170) facility. The last two digits pick the delivery area. By residents, the largest town names among the 175 ZIP codes are Lititz, Ephrata, Manheim, Mount Joy, Columbia and New Holland.
The same facility sorts 14 prefixes, 576 ZIP codes in all: 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 195, 196, 254.
Where are the 175 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 175
| County | ||||||
|---|---|---|---|---|---|---|
| 17501 | Akron | Lancaster County | 4,614 | 3,002 | $78k | $259k |
| 17502 | Bainbridge | Lancaster County | 2,485 | 233 | $73k | $233k |
| 17503 | Bart | Lancaster County | PO Box or unique | – | – | – |
| 17504 | Bausman | Lancaster County | 105 | 5,526 | $89k | $216k |
| 17505 | Bird In Hand | Lancaster County | 2,358 | 318 | $97k | $324k |
| 17506 | Blue Ball | Lancaster County | 469 | 6,091 | – | $296k |
| 17507 | Bowmansville | Lancaster County | 64 | 3,048 | – | – |
| 17508 | Brownstown | Lancaster County | 1,125 | 3,961 | $105k | $348k |
| 17509 | Christiana | Lancaster County | 5,135 | 197 | $77k | $332k |
| 17512 | Columbia | Lancaster County | 18,148 | 1,134 | $67k | $245k |
| 17516 | Conestoga | Lancaster County | 5,180 | 252 | $104k | $314k |
| 17517 | Denver | Lancaster County | 14,686 | 413 | $99k | $297k |
| 17518 | Drumore | Lancaster County | 1,360 | 98 | $65k | $382k |
| 17519 | East Earl | Lancaster County | 7,127 | 331 | $96k | $330k |
| 17520 | East Petersburg | Lancaster County | 5,040 | 2,748 | $93k | $266k |
| 17521 | Elm | Lancaster County | PO Box or unique | – | – | – |
| 17522 | Ephrata | Lancaster County | 33,852 | 787 | $75k | $285k |
| 17527 | Gap | Lancaster County | 6,094 | 290 | $95k | $325k |
| 17528 | Goodville | Lancaster County | PO Box or unique | – | – | – |
| 17529 | Gordonville | Lancaster County | 4,826 | 329 | $80k | $362k |
| 17532 | Holtwood | Lancaster County | 3,328 | 156 | $85k | $349k |
| 17533 | Hopeland | Lancaster County | PO Box or unique | – | – | – |
| 17534 | Intercourse | Lancaster County | no residents | 0 | – | – |
| 17535 | Kinzers | Lancaster County | 3,042 | 240 | $109k | $410k |
| 17536 | Kirkwood | Lancaster County | 3,452 | 165 | $76k | $339k |
| 17537 | Lampeter | Lancaster County | PO Box or unique | – | – | – |
| 17538 | Landisville | Lancaster County | 7,314 | 1,770 | $87k | $299k |
| 17540 | Leola | Lancaster County | 10,728 | 513 | $92k | $339k |
| 17543 | Lititz | Lancaster County | 45,912 | 696 | $97k | $348k |
| 17545 | Manheim | Lancaster County | 23,556 | 338 | $85k | $289k |
| 17547 | Marietta | Lancaster County | 9,210 | 770 | $92k | $271k |
| 17549 | Martindale | Lancaster County | PO Box or unique | – | – | – |
| 17550 | Maytown | Lancaster County | 313 | 2,006 | – | – |
| 17551 | Millersville | Lancaster County | 11,753 | 1,108 | $69k | $288k |
| 17552 | Mount Joy | Lancaster County | 19,761 | 606 | $98k | $293k |
| 17554 | Mountville | Lancaster County | 7,453 | 2,390 | $98k | $302k |
| 17555 | Narvon | Lancaster County | 7,251 | 219 | $116k | $393k |
| 17557 | New Holland | Lancaster County | 15,055 | 470 | $83k | $287k |
| 17560 | New Providence | Lancaster County | 5,460 | 346 | $62k | $217k |
| 17562 | Paradise | Lancaster County | 4,373 | 254 | $109k | $391k |
| 17563 | Peach Bottom | Lancaster County | 3,952 | 122 | $94k | $318k |
| 17564 | Penryn | Lancaster County | PO Box or unique | – | – | – |
| 17565 | Pequea | Lancaster County | 2,523 | 190 | $125k | $340k |
| 17566 | Quarryville | Lancaster County | 12,603 | 211 | $78k | $306k |
| 17567 | Reamstown | Lancaster County | PO Box or unique | – | – | – |
| 17568 | Refton | Lancaster County | no residents | 0 | – | – |
| 17569 | Reinholds | Lancaster County | 7,323 | 442 | $96k | $303k |
| 17570 | Rheems | Lancaster County | 176 | 733 | $91k | $259k |
| 17572 | Ronks | Lancaster County | 3,643 | 224 | $81k | $289k |
| 17573 | Ronks | Lancaster County | PO Box or unique | – | – | – |
| 17575 | Silver Spring | Lancaster County | PO Box or unique | – | – | – |
| 17576 | Smoketown | Lancaster County | 103 | 1,084 | – | – |
| 17578 | Stevens | Lancaster County | 7,504 | 537 | $82k | $315k |
| 17579 | Strasburg | Lancaster County | 6,875 | 470 | $92k | $349k |
| 17580 | Talmage | Lancaster County | PO Box or unique | – | – | – |
| 17581 | Terre Hill | Lancaster County | 180 | 479 | – | $285k |
| 17582 | Washington Boro | Lancaster County | 1,702 | 186 | $100k | $305k |
| 17583 | West Willow | Lancaster County | PO Box or unique | – | – | – |
| 17584 | Willow Street | Lancaster County | 11,646 | 786 | $109k | $310k |
| 17585 | Witmer | Lancaster County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.