While federal censuses only capture a snapshot of your family once every ten years, historical City Directories (such as Polk Directories) and Phone Books were published annually. This makes them one of the most effective tools for proving continuous physical presence and bridging chronological gaps in your timeline. They list the head of household, spouse, exact street address, and often even their occupation or employer.
When submitting city directory pages to the Department of Justice, keep in mind that directories were compiled the year before they were published. For example, a directory published in 1958 actually proves the claimant was living at that address in 1957. The DOJ is well-aware of this lag, but pairing the directory page with a quick explanatory note prevents unnecessary processing delays.
1. Local Libraries & State Historical Societies
The single best repository for localized, physical phone books and city directories from the 1940s through the 1960s is the public library network or university archive closest to where the claimant lived.
Regional Archive Contact Directory
If you cannot visit in person, many of these reference desks will look up a specific name in their city directory collections and email you a scanned copy for free.
Utah Repositories
- Salt Lake City Public Library (Main Branch)
Address: 210 East 400 South, Salt Lake City, UT 84111
Phone: (801) 524-8200
Holds near-complete physical runs of the Polk City Directories for Salt Lake City. - Utah State Archives and Records Service
Address: 346 S Rio Grande St, Salt Lake City, UT 84101
Phone: (801) 531-3847
Email: archivesreference@utah.gov
Idaho Repositories
- Idaho State Archives (Idaho State Historical Society)
Address: 2205 Old Penitentiary Road, Boise, ID 83712
Phone: (208) 334-2620
Email: public.archives@ishs.idaho.gov
Maintains comprehensive historical phone and business directories for Southeastern Idaho.
New Mexico Repositories
- Center for Southwest Research & Special Collections (UNM)
Address: Zimmerman Library, MSC 05 3020, Albuquerque, NM 87131
Phone: (505) 277-6451
Email: cswrref@unm.edu
Features historical directories covering New Mexico counties adjacent to the proving grounds.
Arizona Repositories
- Arizona State Library, Archives and Public Records
Address: 1901 W Madison St, Phoenix, AZ 85009
Phone: (602) 926-3720
The official archives for Arizona's public records, including historical local resources.
Nevada Repositories
- Nevada State Library, Archives and Public Records
Address: 100 North Stewart Street, Carson City, NV 89701
Phone: (775) 684-3360
The official state library and archives serving local government resources. - UNLV Special Collections and Archives
Address: 4505 South Maryland Pkwy, Box 457010, Las Vegas, NV 89154
Phone: (702) 895-2234
Email: special.collections@unlv.edu
Promotes learning, discovery, and scholarship about Las Vegas and Southern Nevada.
2. Digital Genealogy Databases
If you cannot visit a local library or historical society in person, hundreds of thousands of historical U.S. city directories have been digitized and indexed online.
Where to Search Online
- Ancestry.com (U.S. City Directories Collection): Ancestry hosts a massive, searchable database of city directories spanning 1822–1995. You can search by the claimant's name, city, and year to instantly pull up a high-resolution image of the page.
- FamilySearch Digital Library: FamilySearch has been aggressively scanning local histories and city directories. Their catalog allows you to look up specific towns or counties to see if the directories for your target years are available to view online for free.
Cost
Free via FamilySearch. Ancestry requires a paid subscription, but you can access the Ancestry Library Edition completely free from the public computers of almost any local municipal library.
What to Look For and How to Submit
To ensure the DOJ accepts a city directory or phone book page as valid proof of residency, you must provide context. Do not just copy the single line with the claimant's name.
Submission Requirements
- The Title Page: Always copy or scan the front cover or title page of the directory/phone book showing the Year of Publication and the Geographic Area covered.
- The Listing Page: Copy the entire page where the claimant's name appears.
- Highlighting: Use a yellow highlighter (or a digital equivalent) to cleanly call out the specific name and address line so the claims examiner can find it instantly.