Reference Data
Area Code Directory
Area Code 621 — Texas, Texas

Area Code 621 — Texas, Texas

Active

Data last updated: March 10, 2026

State
Texas
Country
US
Timezone
Assigned
January 1, 1947
Exchanges (NXX)
786
Carriers
0
Rate Centers
0
Overlay
Yes — 281, 346, 713, 832

Rate Centers

Exchange Listings (NXX)

NPA-NXX Carrier Rate Center Type LATA Status
621-200 Landline active
621-201 Landline active
621-202 Landline active
621-203 Landline active
621-204 Landline active
621-205 Landline active
621-206 Landline active
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621-321 Landline active
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621-360 Landline active
621-361 Landline active
621-362 Landline active
621-363 Landline active
621-364 Landline active
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621-367 Landline active
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621-369 Landline active
621-370 Landline active
621-371 Landline active
621-372 Landline active
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621-374 Landline active
621-375 Landline active
621-376 Landline active
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621-419 Landline active
621-420 Landline active
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621-543 Landline active
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621-602 Landline active
621-603 Landline active
621-604 Landline active
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621-613 Landline active
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621-617 Landline active
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621-620 Landline active
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621-670 Landline active
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621-720 Landline active
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621-727 Landline active
621-728 Landline active
621-729 Landline active
621-730 Landline active
621-731 Landline active
621-732 Landline active
621-733 Landline active
621-734 Landline active
621-735 Landline active
621-736 Landline active
621-737 Landline active
621-738 Landline active
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621-740 Landline active
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621-750 Landline active
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621-770 Landline active
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621-995 Landline active
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621-999 Landline active

Area code 621 shares its geographic region with the following overlay area codes:

281 346 713 832