McDade, TX — rate center
- State
- Texas
- Active prefixes
- 4
- Carriers
- 3
- Pooled prefixes
- 4
- LATA
- 558
- Metro area
- Austin-Round Rock-San Marcos, TX MSA
The McDade rate center (Texas) anchors 4 active prefixes under area codes 512, 737. Rate centers, not city limits, are what phone numbers are legally tied to.
4 central-office prefixes are currently anchored to this rate center across 3 carriers. 4 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Austin-Round Rock-San Marcos, TX Metropolitan Statistical Area. Routing-wise it sits in LATA 558.
Multiple area codes over one rate center (512/737) is the overlay pattern: same geography, different first three digits.
With only 4 prefixes, McDade sits at the small end of Texas'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).
Treat this data as geography of the number, not of the caller: porting, VoIP and caller-ID spoofing all detach the two. When a call matters, hang up and call back through an official number.
Prefixes anchored to McDade
| Prefix | Code holder | Pooled |
|---|---|---|
| 512-273 | FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS | Yes |
| 512-980 | TELNYX LLC | Yes |
FAQ
What area code is McDade, TX?
McDade is served by 2 area codes — 512, 737 — which overlay the same territory.
How many prefixes does McDade have?
4 active NXX prefixes are anchored to this rate center in NANPA records, held by 3 carriers.
Is a call from a McDade prefix really from McDade?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.