First three digits · Puerto Rico
ZIP Codes Starting with
51 ZIP codes start with 006, sorted at the San Juan, PR (SCF 006) sectional center (USPS labeling list L005, effective October 1, 2026) in Puerto Rico: 46 residential ZIP codes across 35 counties and 5 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 006 mean?
The first digit, 0, is one of ten national areas (Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, Puerto Rico, Rhode Island, Vermont, U.S. Virgin Islands and Armed Forces Europe). The first three, 006, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 006 to the San Juan, PR (SCF 006) facility. The last two digits pick the delivery area. By residents, the largest town names among the 006 ZIP codes are Mayaguez, Arecibo, Vega Baja, Aguadilla, Isabela and San Sebastian.
The same facility sorts 3 prefixes, 177 ZIP codes in all: 006, 007, 009.
Where are the 006 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 006
| County | ||||||
|---|---|---|---|---|---|---|
| 00601 | Adjuntas | Adjuntas Municipio | 16,669 | 259 | $20k | $94k |
| 00602 | Aguada | Aguada Municipio | 37,233 | 1,228 | $21k | $121k |
| 00603 | Aguadilla | Aguadilla Municipio | 48,448 | 1,410 | $21k | $153k |
| 00604 | Aguadilla | Aguadilla Municipio | PO Box or unique | – | – | – |
| 00605 | Aguadilla | Aguadilla Municipio | PO Box or unique | – | – | – |
| 00606 | Maricao | Maricao Municipio | 5,163 | 116 | $21k | $114k |
| 00610 | Anasco | Añasco Municipio | 25,357 | 683 | $25k | $118k |
| 00611 | Angeles | Utuado Municipio | 1,383 | 130 | $20k | $98k |
| 00612 | Arecibo | Arecibo Municipio | 62,908 | 826 | $25k | $118k |
| 00613 | Arecibo | Arecibo Municipio | PO Box or unique | – | – | – |
| 00614 | Arecibo | Arecibo Municipio | PO Box or unique | – | – | – |
| 00616 | Bajadero | Arecibo Municipio | 9,717 | 893 | $22k | $109k |
| 00617 | Barceloneta | Barceloneta Municipio | 22,584 | 1,230 | $25k | $127k |
| 00622 | Boqueron | Cabo Rojo Municipio | 7,664 | 246 | $27k | $119k |
| 00623 | Cabo Rojo | Cabo Rojo Municipio | 39,212 | 1,000 | $26k | $126k |
| 00624 | Penuelas | Peñuelas Municipio | 21,148 | 450 | $23k | $90k |
| 00627 | Camuy | Camuy Municipio | 32,734 | 706 | $27k | $110k |
| 00631 | Castaner | Adjuntas Municipio | 1,321 | 423 | $19k | $100k |
| 00636 | Rosario | San Germán Municipio | 968 | 2,638 | – | $129k |
| 00637 | Sabana Grande | Sabana Grande Municipio | 22,909 | 651 | $22k | $100k |
| 00638 | Ciales | Ciales Municipio | 17,319 | 243 | $23k | $96k |
| 00641 | Utuado | Utuado Municipio | 23,831 | 283 | $21k | $103k |
| 00646 | Dorado | Dorado Municipio | 35,998 | 1,710 | $36k | $170k |
| 00647 | Ensenada | Guánica Municipio | 4,369 | 276 | $20k | $90k |
| 00650 | Florida | Florida Municipio | 13,200 | 416 | $21k | $110k |
| 00652 | Garrochales | Arecibo Municipio | 4,504 | 699 | $35k | $140k |
| 00653 | Guanica | Guánica Municipio | 8,495 | 385 | $17k | $86k |
| 00656 | Guayanilla | Guayanilla Municipio | 17,398 | 413 | $24k | $87k |
| 00659 | Hatillo | Hatillo Municipio | 37,327 | 909 | $28k | $136k |
| 00660 | Hormigueros | Hormigueros Municipio | 15,405 | 1,361 | $27k | $122k |
| 00662 | Isabela | Isabela Municipio | 41,090 | 996 | $23k | $136k |
| 00664 | Jayuya | Jayuya Municipio | 14,807 | 316 | $22k | $115k |
| 00667 | Lajas | Lajas Municipio | 22,792 | 379 | $20k | $108k |
| 00669 | Lares | Lares Municipio | 27,417 | 428 | $19k | $105k |
| 00670 | Las Marias | Las Marías Municipio | 8,512 | 183 | $16k | $87k |
| 00674 | Manati | Manatí Municipio | 39,093 | 900 | $23k | $120k |
| 00676 | Moca | Moca Municipio | 36,972 | 757 | $23k | $132k |
| 00677 | Rincon | Rincón Municipio | 15,483 | 1,063 | $24k | $153k |
| 00678 | Quebradillas | Quebradillas Municipio | 24,595 | 844 | $24k | $112k |
| 00680 | Mayaguez | Mayagüez Municipio | 42,689 | 664 | $18k | $107k |
| 00681 | Mayaguez | Mayagüez Municipio | PO Box or unique | – | – | – |
| 00682 | Mayaguez | Mayagüez Municipio | 28,977 | 1,777 | $19k | $118k |
| 00683 | San German | San Germán Municipio | 29,490 | 598 | $19k | $112k |
| 00685 | San Sebastian | San Sebastián Municipio | 39,988 | 508 | $20k | $116k |
| 00687 | Morovis | Morovis Municipio | 28,397 | 731 | $25k | $115k |
| 00688 | Sabana Hoyos | Arecibo Municipio | 10,028 | 309 | $18k | $105k |
| 00690 | San Antonio | Aguadilla Municipio | 5,870 | 2,595 | $26k | $140k |
| 00692 | Vega Alta | Vega Alta Municipio | 32,802 | 1,236 | $26k | $141k |
| 00693 | Vega Baja | Vega Baja Municipio | 55,387 | 1,247 | $25k | $123k |
| 00694 | Vega Baja | Vega Baja Municipio | 125 | 156 | $16k | – |
| 00698 | Yauco | Yauco Municipio | 32,535 | 519 | $24k | $101k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.