NANPA NPA-NXX TELECOM REGISTRY // AREA CODE 408

Area Code 408 (San Jose & Silicon Valley, CA) Carrier & TCPA Lookup.

Real-time NANPA NPA-NXX carrier line type, operating company number (OCN), wireless porting status, and TCPA DNC serial litigator verification for (408) phone numbers in San Jose & Silicon Valley, CA.

Run in Live Workbench View Credit Tiers ($49/mo)

NANPA Area Code (408) Telemetry Profile

NPA CODE: +1 (408)
PRIMARY MARKET: San Jose & Silicon Valley, CA
TIMEZONE: PST (UTC-8)
DOMINANT CARRIERS: Pacific Bell (AT&T), Verizon Wireless, Twilio CLEC
TCPA DNC SHIELD: ACTIVE (1 CREDIT / LOOKUP)

Test Area Code 408 via cURL or MCP

curl -s "https://www.verifygrid.io/v1/verify/telecom?phone=%2B14085550199" \
  -H "Authorization: Bearer vg_test_sandbox"

# Returns E.164, line_type (mobile/voip/landline),
# carrier_name, OCN, tcpa_dnc_listed, and safe_to_autodial

// NANPA INDEXPROGRAMMATIC US AREA CODE VERIFICATION DIRECTORY