What ZIP codes does Idaho use for mail and package delivery?

Idaho (ID) operates within the 5-digit ZIP prefix range 832xx–838xx, covering numeric postal codes from 83201 – 83877. Mail routed to state capital Boise and key regional centers such as Boise, Meridian, Nampa adheres to these official USPS boundaries.

Which telephone area codes are valid for Idaho?

Idaho is served by 2 active North American Numbering Plan (NANPA) area codes: 208, 986. Synthetic telephone numbers generated for Idaho reflect these verified regional area code assignments across state jurisdictions.

How many counties are in Idaho?

Idaho is divided into 44 counties, including major administrative regions such as Ada, Canyon, Kootenai, Bonneville. Generated street addresses reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.

What postal formatting conventions and addressing quirks are unique to Idaho?

Treasure Valley rapid growth coordinate grid systems (e.g., Ada and Canyon County county-line coordinate street designations like '10500 W State St'). Remote mountainous P.O. Box-only postal delivery routes throughout the Frank Church Wilderness and northern panhandle. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.

Are the Idaho addresses generated on this page real places?

No. All street numbers, recipient names, and telephone numbers generated for Idaho are entirely synthetic and randomized for software testing, database seed scripts, and form validation. While they use authentic Idaho ZIP codes (832xx–838xx), real city names (Boise, Meridian), and verified area codes (208, 986), they do not correspond to real individuals or private residences.

Random Idaho Address Generator

Idaho ZIP codes span the 832xx–838xx range (83201 – 83877) across 44 counties with 2 active telephone area codes (208, 986).

Generate a realistic, USPS Publication 28-compliant random Idaho address with authentic postal routing, real ZIP codes, and local area codes. Featuring verified ZIP prefix coverage across 832xx–838xx, realistic street grids from Boise and Meridian, official area codes (208, 986), and accurate county assignments. Engineered specifically for QA automation, form validation, and software testing.

Official Idaho Postal & Geographic Reference Specifications

Geographic & Postal Parameter	Official State Specification	Standardization Reference
Postal State Abbreviation	ID	USPS Publication 28 & ISO 3166-2:US
5-Digit ZIP Prefix Range	832xx–838xx	USPS Sectional Center Facilities (SCFs)
5-Digit ZIP Numeric Span	`83201 – 83877`	Lowest to highest active postal delivery codes
Administrative Jurisdictions	44 Total Counties	US Census Bureau regional boundaries
Active Area Codes (NANPA)	`208, 986` (2 total)	North American Numbering Plan Administrator
Capital & Distribution Centers	Boise (Capital), Boise, Meridian, Nampa	Primary municipal carrier distribution hubs
Primary Time Zone	America/Boise Timezone	Regional postal dispatch & timestamp alignment
Authoritative Validation Source	Idaho Public Utilities Commission & NANPA	Official state regulatory authority

Idaho Postal Geography & Key Cities

State Capital: Boise | Postal Code: ID | Total Counties: 44 Counties | ZIP Prefix Range: 832xx–838xx

Verified Data Authority: Idaho Public Utilities Commission & NANPA

Major municipal distribution centers:

Boise
Meridian
Nampa
Idaho Falls
Pocatello

Key Counties & Administrative Jurisdictions

County boundaries dictate local sales tax jurisdictions and carrier route groupings across Idaho:

Ada County
Canyon County
Kootenai County
Bonneville County

Real Idaho Area Codes (ID)

2 active numbering plan area (NPA) codes serving 44 jurisdictions across Idaho.

Active North American Numbering Plan area codes: 208, 986

Postal Delivery Standards & Format Nuances in Idaho

Treasure Valley rapid growth coordinate grid systems (e.g., Ada and Canyon County county-line coordinate street designations like '10500 W State St').
Remote mountainous P.O. Box-only postal delivery routes throughout the Frank Church Wilderness and northern panhandle.

Standard USPS Publication 28 Test Examples for Idaho

Residential Delivery Point:
100 Main St, Apt 4B Boise, ID 83702-1204

Commercial / Multi-Unit Delivery Point:
Idaho Logistics & Software Corp 500 Enterprise Way, Suite 300 Meridian, ID 83642-4810

Frequently Asked Questions about Idaho Addresses

What ZIP codes does Idaho use for mail and package delivery?: Idaho (ID) operates within the 5-digit ZIP prefix range 832xx–838xx, covering numeric postal codes from 83201 – 83877. Mail routed to state capital Boise and key regional centers such as Boise, Meridian, Nampa adheres to these official USPS boundaries.
Which telephone area codes are valid for Idaho?: Idaho is served by 2 active North American Numbering Plan (NANPA) area codes: 208, 986. Synthetic telephone numbers generated for Idaho reflect these verified regional area code assignments across state jurisdictions.
How many counties are in Idaho?: Idaho is divided into 44 counties, including major administrative regions such as Ada, Canyon, Kootenai, Bonneville. Generated street addresses reflect these authentic jurisdictional subdivisions and their corresponding postal distribution points.
What postal formatting conventions and addressing quirks are unique to Idaho?: Treasure Valley rapid growth coordinate grid systems (e.g., Ada and Canyon County county-line coordinate street designations like '10500 W State St'). Remote mountainous P.O. Box-only postal delivery routes throughout the Frank Church Wilderness and northern panhandle. All addresses generated on this platform format secondary unit designators (Apt, Ste, Fl) and street suffixes according to USPS CASS standards.
Are the Idaho addresses generated on this page real places?: No. All street numbers, recipient names, and telephone numbers generated for Idaho are entirely synthetic and randomized for software testing, database seed scripts, and form validation. While they use authentic Idaho ZIP codes (832xx–838xx), real city names (Boise, Meridian), and verified area codes (208, 986), they do not correspond to real individuals or private residences.

Nearby & Bordering States

Explore test address generators for states sharing a geographic border with ID:

Idaho ZIP Prefixes and Sectional Center Facilities

Mail addressed to Idaho is sorted through the processing facilities below before local delivery. The first three digits of a ZIP code identify which one, so the prefix alone places an address within the state.

ZIP prefix	Sectional Center Facility	County
832xx	Pocatello	Bannock County
834xx	Idaho Falls	Bonneville County
836xx	Meridian / Nampa	Ada County
837xx	Boise	Ada County

These 4 prefixes cover the 832xx–838xx range. Look up any ZIP prefix to see its facility and generate valid ZIP codes inside it.