Greenfield, IN — rate center
- State
- Indiana
- Active prefixes
- 20
- Carriers
- 8
- Pooled prefixes
- 17
- LATA
- 336
- Metro area
- Indianapolis-Carmel-Greenwood, IN MSA
Phone numbers "from Greenfield" are, precisely speaking, numbers whose prefixes are anchored to the Greenfield rate center of Indiana, under 317, 463.
The rate center currently carries 20 working prefixes across 8 carriers. 17 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 Greenfield 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 Greenfield
| Prefix | Code holder | Pooled |
|---|---|---|
| 317-314 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | Yes |
| 317-315 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | Yes |
| 317-318 | TELEPORT COMMUNICATIONS AMERICA, LLC - IN | Yes |
| 317-325 | HANCOCK COMMUNICATIONS, INC. - IN | Yes |
| 317-448 | LEVEL 3 COMMUNICATIONS, LLC - IN | Yes |
| 317-462 | INDIANA BELL TEL CO INC | No |
| 317-467 | INDIANA BELL TEL CO INC | Yes |
| 317-468 | INDIANA BELL TEL CO INC | Yes |
| 317-477 | HANCOCK COMMUNICATIONS, INC. - IN | No |
| 317-498 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | No |
| 317-526 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | Yes |
| 317-586 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | Yes |
| 317-649 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | Yes |
| 317-967 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IN | Yes |
FAQ
What area code is Greenfield, IN?
Greenfield is served by 2 area codes — 317, 463 — which overlay the same territory.
How many prefixes does Greenfield have?
20 active NXX prefixes are anchored to this rate center in NANPA records, held by 8 carriers.
Is a call from a Greenfield prefix really from Greenfield?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.