Brownsburg, IN — rate center
- State
- Indiana
- Active prefixes
- 13
- Carriers
- 7
- Pooled prefixes
- 11
- LATA
- 336
- Metro area
- Indianapolis-Carmel-Greenwood, IN MSA
Phone numbers "from Brownsburg" are, precisely speaking, numbers whose prefixes are anchored to the Brownsburg rate center of Indiana, under 317, 463.
The rate center currently carries 13 working prefixes across 7 carriers. 11 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Indianapolis-Carmel-Greenwood, IN Metropolitan Statistical Area. Routing-wise it sits in LATA 336.
Multiple area codes over one rate center (317/463) is the overlay pattern: same geography, different first three digits.
A Brownsburg prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Brownsburg
| Prefix | Code holder | Pooled |
|---|---|---|
| 317-286 | LEVEL 3 COMMUNICATIONS, LLC - IN | Yes |
| 317-350 | COMCAST IP PHONE, LLC | Yes |
| 317-456 | LEVEL 3 COMMUNICATIONS, LLC - IN | Yes |
| 317-520 | LEVEL 3 COMMUNICATIONS, LLC - IN | Yes |
| 317-852 | INDIANA BELL TEL CO INC | No |
| 317-858 | INDIANA BELL TEL CO INC | No |
| 317-939 | COMCAST IP PHONE, LLC | Yes |
FAQ
What area code is Brownsburg, IN?
Brownsburg is served by 2 area codes — 317, 463 — which overlay the same territory.
How many prefixes does Brownsburg have?
13 active NXX prefixes are anchored to this rate center in NANPA records, held by 7 carriers.
Is a call from a Brownsburg prefix really from Brownsburg?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.