ZIP Code 01922 — Byfield, MA
01922 is a standard (street delivery) ZIP code serving Byfield, Massachusetts, in Essex County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 01922 at a glance
| ZIP code | 01922 |
|---|---|
| Primary city | Byfield |
| State | Massachusetts (MA) |
| County | Essex FIPS 25009 |
| ZIP type | Standard (street delivery) |
| Time zone | America/New_York |
| Population | 3,450 |
| Coordinates | 42.758620, -70.917580 |
How ZIP+4 works in 01922
The four digits after the hyphen encode a delivery segment inside 01922. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 01922 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 01922.
| ZIP | City | Distance |
|---|---|---|
| 01969 | Rowley, MA | 2.9 mi |
| 01985 | West Newbury, MA | 3.6 mi |
| 01951 | Newbury, MA | 3.7 mi |
| 01833 | Georgetown, MA | 4 mi |
| 01950 | Newburyport, MA | 4 mi |
| 01834 | Groveland, MA | 4.9 mi |
| 01938 | Ipswich, MA | 6.4 mi |
| 01913 | Amesbury, MA | 6.7 mi |
| 01952 | Salisbury, MA | 6.7 mi |
| 01860 | Merrimac, MA | 7.3 mi |
| 01830 | Haverhill, MA | 7.3 mi |
| 01921 | Boxford, MA | 7.4 mi |
Questions about 01922
What is the ZIP+4 code for 01922?
01922 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 01922, you need to look up a specific street address to get them.
What city is 01922?
01922 is assigned to Byfield, Massachusetts, in Essex County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.