phone.gd North American phone lookup, short codes, caller signals, and complaint-driven research.

815-504

You are reviewing the Area Code (NPA/NXX) report for 815-504. Did you mean to search the SMS short code 815504?

North American Phone Intelligence

Search a phone number, area code, exchange, or short code

Paste raw digits, a formatted phone number, an area code, an NPA-NXX block, or a short code. US and Canada phone lookups route automatically, and international iMessage checks are available separately.

Phone LookupTop ComplaintsArea CodesNPA-NXXiMessage
Examples: 206-739-5800, 206, 206-739, 48369
Raw Number815504
Basic Format815-504
NPA (Area Code)815
NXX504

Call Routing Data

NPA-NXX-XOCNCompanyRate CenterUse TypeCityState
815-504-XXXX460KFIRST COMMUNICATIONS, LLCGARDNERASGARDNERIL

Reports

Anonymous User from Phoenix, Arizona

November 29, 2025 at 7:05 PM

815-504-3756 reported as a unwanted call. Received on November 29, 2025 at 8:05 AM.

Anonymous User from Rockford, Illinois

November 14, 2025 at 6:17 PM

815-504-5211 reported as a unwanted call. Received on November 5, 2025 at 12:18 PM.
Call for No Subject Provided

Anonymous User from , IL

July 10, 2024 at 6:49 PM

815-504-6205 reported as a Live Voice or Other. Received on July 10, 2024 at 12:00 AM.
Call for Dropped call or no message

Anonymous User from , FL

January 21, 2023 at 1:46 PM

815-504-5713 reported as a unwanted call. Received on January 19, 2023 at 12:00 AM.
Call for No Subject Provided

Anonymous User from , IL

June 22, 2022 at 9:50 AM

815-504-2159 reported as a Robocall. Received on June 20, 2022 at 12:29 PM.
Call for No Subject Provided

Most 'popular' numbers on this prefix:

815-504-2XXX: 815-504-2150 | 815-504-2151 | 815-504-2155 | 815-504-2169 | 815-504-2196 | 815-504-2198 |
815-504-6XXX: 815-504-6200 | 815-504-6202 | 815-504-6205 | 815-504-6247 | 815-504-6258 |