Monrovia, IN — rate center
Phone numbers "from Monrovia" are, precisely speaking, numbers whose prefixes are anchored to the Monrovia rate center of Indiana, under 317.
NANPA records show 1 active prefixes here. 1 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.
With a single prefix, Monrovia sits at the small end of Indiana's rate centers — one carrier’s block covers the whole locality, and a number from here is a fairly strong locality signal (before porting is considered).
As always with US numbering: a prefix anchored to Monrovia tells you where the block was issued. The person calling may have ported the number, moved away, or be spoofing it entirely — verify callers through independently found contact details.
Prefixes anchored to Monrovia
| Prefix | Code holder | Pooled |
|---|---|---|
| 317-996 | CLAY COUNTRY RURAL TEL COOP DBA ENDEAVOR COMM | Yes |
FAQ
What area code is Monrovia, IN?
Monrovia numbers use area code 317.
How many prefixes does Monrovia have?
1 active NXX prefixes are anchored to this rate center in NANPA records.
Is a call from a Monrovia prefix really from Monrovia?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.