First three digits · Pennsylvania
ZIP Codes Starting with
41 ZIP codes start with 186, sorted at the Scranton, PA (SCF 184) sectional center (USPS labeling list L005, effective October 1, 2026) in Pennsylvania: 36 residential ZIP codes across 9 counties and 5 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 186 mean?
The first digit, 1, is one of ten national areas (Delaware, New York and Pennsylvania). The first three, 186, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 186 to the Scranton, PA (SCF 184) facility. The last two digits pick the delivery area. By residents, the largest town names among the 186 ZIP codes are Pittston, Berwick, Dallas, Nanticoke, Tunkhannock and Plymouth.
The same facility sorts 5 prefixes, 169 ZIP codes in all: 184, 185, 186, 187, 188.
Where are the 186 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 186
| County | ||||||
|---|---|---|---|---|---|---|
| 18601 | Beach Haven | Luzerne County | PO Box or unique | – | – | – |
| 18602 | Bear Creek | Luzerne County | 628 | 331 | $161k | $413k |
| 18603 | Berwick | Columbia County | 18,827 | 353 | $60k | $171k |
| 18610 | Blakeslee | Monroe County | 5,079 | 153 | $68k | $239k |
| 18611 | Cambra | Luzerne County | PO Box or unique | – | – | – |
| 18612 | Dallas | Luzerne County | 17,739 | 325 | $94k | $259k |
| 18614 | Dushore | Sullivan County | 1,986 | 13 | $69k | $190k |
| 18615 | Falls | Wyoming County | 1,646 | 93 | $76k | $229k |
| 18616 | Forksville | Sullivan County | 734 | 11 | $63k | $218k |
| 18617 | Glen Lyon | Luzerne County | 1,791 | 308 | $53k | $83k |
| 18618 | Harveys Lake | Luzerne County | 3,570 | 168 | $84k | $244k |
| 18619 | Hillsgrove | Sullivan County | 162 | 6 | $66k | $203k |
| 18621 | Hunlock Creek | Luzerne County | 4,744 | 106 | $72k | $186k |
| 18622 | Huntington Mills | Luzerne County | 252 | 74 | $64k | $196k |
| 18623 | Laceyville | Bradford County | 2,298 | 40 | $75k | $177k |
| 18624 | Lake Harmony | Carbon County | 487 | 26 | – | $578k |
| 18625 | Lake Winola | Wyoming County | 114 | 481 | $63k | $583k |
| 18626 | Laporte | Sullivan County | 505 | 12 | $75k | $277k |
| 18627 | Lehman | Luzerne County | no residents | 0 | – | – |
| 18628 | Lopez | Sullivan County | 185 | 8 | $82k | $118k |
| 18629 | Mehoopany | Wyoming County | 1,760 | 22 | $60k | $223k |
| 18630 | Meshoppen | Susquehanna County | 2,923 | 45 | $90k | $233k |
| 18631 | Mifflinville | Columbia County | 1,100 | 774 | $46k | $214k |
| 18632 | Mildred | Sullivan County | 430 | 60 | $93k | $136k |
| 18634 | Nanticoke | Luzerne County | 13,785 | 963 | $61k | $112k |
| 18635 | Nescopeck | Luzerne County | 3,734 | 99 | $74k | $196k |
| 18636 | Noxen | Wyoming County | 1,610 | 43 | $57k | $180k |
| 18640 | Pittston | Luzerne County | 16,581 | 594 | $61k | $148k |
| 18641 | Pittston | Luzerne County | 6,305 | 1,387 | $76k | $152k |
| 18642 | Duryea | Luzerne County | 4,530 | 845 | $61k | $159k |
| 18643 | Pittston | Luzerne County | 12,848 | 703 | $63k | $175k |
| 18644 | Wyoming | Luzerne County | 7,552 | 479 | $70k | $179k |
| 18651 | Plymouth | Luzerne County | 8,703 | 722 | $42k | $98k |
| 18653 | Ransom | Lackawanna County | PO Box or unique | – | – | – |
| 18654 | Shawanese | Luzerne County | PO Box or unique | – | – | – |
| 18655 | Shickshinny | Luzerne County | 6,018 | 84 | $73k | $191k |
| 18656 | Sweet Valley | Luzerne County | 2,066 | 35 | $77k | $233k |
| 18657 | Tunkhannock | Wyoming County | 10,866 | 92 | $75k | $218k |
| 18660 | Wapwallopen | Luzerne County | 3,137 | 68 | $81k | $207k |
| 18661 | White Haven | Luzerne County | 5,759 | 48 | $75k | $196k |
| 18690 | Dallas | Luzerne 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.