Isleton, CA — rate center
- State
- California
- Active prefixes
- 4
- Carriers
- 4
- Pooled prefixes
- 4
- LATA
- 726
- Metro area
- Stockton-Lodi, CA MSA
Phone numbers "from Isleton" are, precisely speaking, numbers whose prefixes are anchored to the Isleton rate center of California, under 279, 916.
The rate center currently carries 4 working prefixes across 4 carriers. 4 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Stockton-Lodi, CA Metropolitan Statistical Area. Routing-wise it sits in LATA 726.
Multiple area codes over one rate center (279/916) is the overlay pattern: same geography, different first three digits.
With only 4 prefixes, Isleton sits at the small end of California's rate centers — a handful of carrier blocks cover the whole locality, and a number from here is a fairly strong locality signal (before porting is considered).
A Isleton 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 Isleton
| Prefix | Code holder | Pooled |
|---|---|---|
| 916-610 | ONVOY, LLC - CA | Yes |
| 916-623 | CENTURYLINK COMMUNICATIONS, LLC | Yes |
| 916-777 | CITIZENS TELECOM CA. DBA FRONTIER COM OF CA | Yes |
FAQ
What area code is Isleton, CA?
Isleton is served by 2 area codes — 279, 916 — which overlay the same territory.
How many prefixes does Isleton have?
4 active NXX prefixes are anchored to this rate center in NANPA records, held by 4 carriers.
Is a call from a Isleton prefix really from Isleton?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.