Hillsborough County, New Hampshire ZIP Codes

34 ZIP Codes

Zip Code
City
Population
03103Manchester37,775
03104Manchester35,237
03102Manchester33,959
03060Nashua31,657
03062Nashua29,441
03054Merrimack28,176
03051Hudson25,557
03110Bedford23,746
03055Milford16,337
03063Nashua15,805
03076Pelham14,449
03064Nashua14,391
03045Goffstown14,080
03031Amherst11,849
03109Manchester9,929
03281Weare9,170
03049Hollis8,603
03052Litchfield8,499
03244Hillsborough8,156
03458Peterborough6,872
03070New Boston6,177
03033Brookline5,736
03071New Ipswich5,310
03086Wilton4,258
03048Greenville3,237
03101Manchester3,201
03057Mont Vernon2,709
03440Antrim2,661
03449Hancock1,838
03047Greenfield1,730
03442Bennington1,588
03082Lyndeborough1,531
03043Francestown1,398
03084Temple1,363

Overview of ZIP Codes in Hillsborough County

ZCTAs are geographic areas created by the US Census Bureau to approximate the delivery areas of ZIP Codes for statistical analysis. While ZCTAs use the same five-digit codes as ZIP Codes, they represent defined geographic areas that may not exactly match the mail delivery routes of ZIP Codes.
34
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2025, there are 34 ZCTAs in Hillsborough County, New Hampshire (US Census).