NANPA NPA-NXX TELECOM REGISTRY // AREA CODE 623

Area Code 623 (US NANPA Numbering Plan Area 623, US) 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 (623) phone numbers in US NANPA Numbering Plan Area 623, US.

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

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NANPA Area Code (623) Telemetry Profile

NPA CODE: +1 (623)
PRIMARY MARKET: US NANPA Numbering Plan Area 623, US
TIMEZONE: US Standard Time
DOMINANT CARRIERS: Verizon Wireless, AT&T Mobility, T-Mobile USA, Bandwidth CLEC
TCPA DNC SHIELD: ACTIVE (1 CREDIT / LOOKUP)

Test Area Code 623 via cURL or MCP

curl -s "https://verifygrid.io/v1/verify/telecom?phone=%2B16235550199" \
  -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