npa?npa=480

NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags.

NANP area code lookup: region, state, country, timezones, current local time, toll-free/premium/geographic flags. Static authoritative dataset (450 NPAs), sub-10ms responses.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.02 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x9a8dfbe7…0d5d5767

URL

https://numberintel.dev/v1/npa?npa=480

Seen

first 16 days ago · last 10 hr ago

28 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.632 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.368: 0.168 uncertain ? + 0.200 short ? · 0.018 to C

How the composite of 0.632 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	1.00	0.721		0.432	0	−0.168
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.632	gap to 1.000 = 0.368 · 0.200 short · 0.168 uncertain	0.632	−0.200	−0.168

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.721   liveness       
+ 0.200 × 1.000   price stability
= 0.632           → UNRATED: 22 of 30 paid calls      weights 2026.09.6 · 22 samples · seed cap_01M2SGPFWG9528PAW42XJQAA0Y|2026-08-30T17:07:47.589Z|2026.09.6

Verify it yourselfnpx teppi-check https://numberintel.dev/v1/npa?npa=480curl -s https://api.teppi.xyz/v1/trust/cap_01M2SGPFWG9528PAW42XJQAA0Y