NANPA NPA-NXX TELECOM REGISTRY // AREA CODE 877

Area Code 877 (North American Toll-Free (877), 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 (877) phone numbers in North American Toll-Free (877), US.

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NANPA Area Code (877) Telemetry Profile

NPA CODE: +1 (877)
PRIMARY MARKET: North American Toll-Free (877), US
TIMEZONE: Multi-Zone
DOMINANT CARRIERS: SOMOS RespOrg / AT&T / Verizon Toll-Free
TCPA DNC SHIELD: ACTIVE (1 CREDIT / LOOKUP)

Test Area Code 877 via cURL or MCP

curl -s "https://verifygrid.io/v1/verify/telecom?phone=%2B18775550199" \
  -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