NANPA NPA-NXX TELECOM REGISTRY // AREA CODE 310

Area Code 310 (West Los Angeles & Santa Monica, 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 (310) phone numbers in West Los Angeles & Santa Monica, CA.

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

NANPA Area Code (310) Telemetry Profile

NPA CODE: +1 (310)
PRIMARY MARKET: West Los Angeles & Santa Monica, CA
TIMEZONE: PST (UTC-8)
DOMINANT CARRIERS: AT&T Mobility, Verizon Wireless, Frontier
TCPA DNC SHIELD: ACTIVE (1 CREDIT / LOOKUP)

Test Area Code 310 via cURL or MCP

curl -s "https://www.verifygrid.io/v1/verify/telecom?phone=%2B13105550199" \
  -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